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Finding the Fourth Proportional to 9,061.38, 13,572.90 and 6,089.76

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Solution

The fourth proportional to 9,061.38, 13,572.90 and 6,089.76 is: 9,121.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,061.38 : 13,572.90 = 6,089.76 : x
  2. Step 2: Convert to fraction form
    9,061.38/13,572.90 = 6,089.76/x
  3. Step 3: Cross multiply
    9,061.38x = 13,572.90 × 6,089.76
  4. Step 4: Simplify right side
    9,061.38x = 82,655,703.50
  5. Step 5: Solve for x
    x = 82,655,703.50/9,061.38
  6. Step 6: Final answer
    x = 9,121.76

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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.