Home / 8,700.29-13,044.77-5,729.75

Finding the Fourth Proportional to 8,700.29, 13,044.77 and 5,729.75

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Solution

The fourth proportional to 8,700.29, 13,044.77 and 5,729.75 is: 8,590.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,700.29 : 13,044.77 = 5,729.75 : x
  2. Step 2: Convert to fraction form
    8,700.29/13,044.77 = 5,729.75/x
  3. Step 3: Cross multiply
    8,700.29x = 13,044.77 × 5,729.75
  4. Step 4: Simplify right side
    8,700.29x = 74,743,270.91
  5. Step 5: Solve for x
    x = 74,743,270.91/8,700.29
  6. Step 6: Final answer
    x = 8,590.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.