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Finding the Fourth Proportional to 5,751.53, 7,932.55 and 3,732.74

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Solution

The fourth proportional to 5,751.53, 7,932.55 and 3,732.74 is: 5,148.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,751.53 : 7,932.55 = 3,732.74 : x
  2. Step 2: Convert to fraction form
    5,751.53/7,932.55 = 3,732.74/x
  3. Step 3: Cross multiply
    5,751.53x = 7,932.55 × 3,732.74
  4. Step 4: Simplify right side
    5,751.53x = 29,610,146.69
  5. Step 5: Solve for x
    x = 29,610,146.69/5,751.53
  6. Step 6: Final answer
    x = 5,148.22

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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.