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Finding the Fourth Proportional to 9,387.27, 12,952.86 and 5,611.97

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Solution

The fourth proportional to 9,387.27, 12,952.86 and 5,611.97 is: 7,743.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,387.27 : 12,952.86 = 5,611.97 : x
  2. Step 2: Convert to fraction form
    9,387.27/12,952.86 = 5,611.97/x
  3. Step 3: Cross multiply
    9,387.27x = 12,952.86 × 5,611.97
  4. Step 4: Simplify right side
    9,387.27x = 72,690,996.97
  5. Step 5: Solve for x
    x = 72,690,996.97/9,387.27
  6. Step 6: Final answer
    x = 7,743.57

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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.