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Finding the Fourth Proportional to 8,909.65, 13,354.14 and 3,359.44

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Solution

The fourth proportional to 8,909.65, 13,354.14 and 3,359.44 is: 5,035.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,909.65 : 13,354.14 = 3,359.44 : x
  2. Step 2: Convert to fraction form
    8,909.65/13,354.14 = 3,359.44/x
  3. Step 3: Cross multiply
    8,909.65x = 13,354.14 × 3,359.44
  4. Step 4: Simplify right side
    8,909.65x = 44,862,432.08
  5. Step 5: Solve for x
    x = 44,862,432.08/8,909.65
  6. Step 6: Final answer
    x = 5,035.26

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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.