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Finding the Fourth Proportional to 8,901.52, 13,376.54 and 4,744.53

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Solution

The fourth proportional to 8,901.52, 13,376.54 and 4,744.53 is: 7,129.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,901.52 : 13,376.54 = 4,744.53 : x
  2. Step 2: Convert to fraction form
    8,901.52/13,376.54 = 4,744.53/x
  3. Step 3: Cross multiply
    8,901.52x = 13,376.54 × 4,744.53
  4. Step 4: Simplify right side
    8,901.52x = 63,465,407.19
  5. Step 5: Solve for x
    x = 63,465,407.19/8,901.52
  6. Step 6: Final answer
    x = 7,129.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.