perfect fourth

musical interval spanning four staff positions and five semitones, with a frequency ratio of approximately 4:3=1.333… (in equal temperament, ¹²√2⁵ = 1.335…)
Thing general Q15028629
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perfect fourth

Summary

perfect fourth has Wikipedia articles in 6 language editions, a strong signal of global cultural recognition.[1]

Key Facts

  • perfect fourth followed major third[2].
  • perfect fourth was followed by tritone[3].
  • perfect fourth is a type of fourth[4].
  • perfect fourth's Commons category is recorded as Perfect fourths[5].
  • perfect fourth's said to be the same as is recorded as augmented third[6].
  • perfect fourth comprises semitone[7].
  • perfect fourth's short name is recorded as {'lang': 'fi', 'text': 'pu4'}[8].
  • perfect fourth's short name is recorded as {'lang': 'en', 'text': 'P4'}[9].
  • perfect fourth's short name is recorded as {'lang': 'sv', 'text': 'R4'}[10].
  • perfect fourth's short name is recorded as {'lang': 'ru', 'text': 'ч.4'}[11].

Body

Definition and Type

perfect fourth is a type of fourth[4].

Use and Application

perfect fourth comprises semitone[7].

Why It Matters

perfect fourth has Wikipedia articles in 6 language editions, a strong signal of global cultural recognition.[1] It is known by 4 alternative names across languages and contexts.[12]

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). perfect fourth. Retrieved April 10, 2026, from https://4ort.xyz/entity/perfect-fourth
MLA “perfect fourth.” 4ort.xyz Knowledge Graph, 4ort.xyz, 10 Apr. 2026, https://4ort.xyz/entity/perfect-fourth.
BibTeX @misc{4ortxyz_perfect-fourth_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{perfect fourth}}, year = {2026}, url = {https://4ort.xyz/entity/perfect-fourth}, note = {Accessed: 2026-04-10}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): perfect fourth — https://4ort.xyz/entity/perfect-fourth (retrieved 2026-04-10)

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Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 23d ago · Shocksingularity · 2026-07-27 view diff on Wikidata ↗
    Follows
    Subclass of fourth
    Image Perfect fourth on C.png
    Followed by tritone
    + 7 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-create:2||1 */ [[Property:P18]]: Perfect fourth on C.png"
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