Home / 9,755.21-13,462.17-5,279.04

Finding the Fourth Proportional to 9,755.21, 13,462.17 and 5,279.04

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Solution

The fourth proportional to 9,755.21, 13,462.17 and 5,279.04 is: 7,285.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,755.21 : 13,462.17 = 5,279.04 : x
  2. Step 2: Convert to fraction form
    9,755.21/13,462.17 = 5,279.04/x
  3. Step 3: Cross multiply
    9,755.21x = 13,462.17 × 5,279.04
  4. Step 4: Simplify right side
    9,755.21x = 71,067,314.12
  5. Step 5: Solve for x
    x = 71,067,314.12/9,755.21
  6. Step 6: Final answer
    x = 7,285.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.