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Finding the Fourth Proportional to 8,543.31, 11,790.97 and 5,006.54

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Solution

The fourth proportional to 8,543.31, 11,790.97 and 5,006.54 is: 6,909.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,543.31 : 11,790.97 = 5,006.54 : x
  2. Step 2: Convert to fraction form
    8,543.31/11,790.97 = 5,006.54/x
  3. Step 3: Cross multiply
    8,543.31x = 11,790.97 × 5,006.54
  4. Step 4: Simplify right side
    8,543.31x = 59,031,979.90
  5. Step 5: Solve for x
    x = 59,031,979.90/8,543.31
  6. Step 6: Final answer
    x = 6,909.73

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