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Finding the Fourth Proportional to 6,691, 9,233.58 and 3,747

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Solution

The fourth proportional to 6,691, 9,233.58 and 3,747 is: 5,170.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,691 : 9,233.58 = 3,747 : x
  2. Step 2: Convert to fraction form
    6,691/9,233.58 = 3,747/x
  3. Step 3: Cross multiply
    6,691x = 9,233.58 × 3,747
  4. Step 4: Simplify right side
    6,691x = 34,598,224.26
  5. Step 5: Solve for x
    x = 34,598,224.26/6,691
  6. Step 6: Final answer
    x = 5,170.86

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Why These Related Problems?

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