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Finding the Fourth Proportional to 6,732.55, 9,289.77 and 3,747.97

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Solution

The fourth proportional to 6,732.55, 9,289.77 and 3,747.97 is: 5,171.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,732.55 : 9,289.77 = 3,747.97 : x
  2. Step 2: Convert to fraction form
    6,732.55/9,289.77 = 3,747.97/x
  3. Step 3: Cross multiply
    6,732.55x = 9,289.77 × 3,747.97
  4. Step 4: Simplify right side
    6,732.55x = 34,817,732.82
  5. Step 5: Solve for x
    x = 34,817,732.82/6,732.55
  6. Step 6: Final answer
    x = 5,171.56

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1.5x scale

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.