Home / 8,985.11-13,463.80-5,691.29

Finding the Fourth Proportional to 8,985.11, 13,463.80 and 5,691.29

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Solution

The fourth proportional to 8,985.11, 13,463.80 and 5,691.29 is: 8,528.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,985.11 : 13,463.80 = 5,691.29 : x
  2. Step 2: Convert to fraction form
    8,985.11/13,463.80 = 5,691.29/x
  3. Step 3: Cross multiply
    8,985.11x = 13,463.80 × 5,691.29
  4. Step 4: Simplify right side
    8,985.11x = 76,626,308.75
  5. Step 5: Solve for x
    x = 76,626,308.75/8,985.11
  6. Step 6: Final answer
    x = 8,528.15

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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.