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Finding the Fourth Proportional to 8,989.52, 13,476 and 3,792.56

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Solution

The fourth proportional to 8,989.52, 13,476 and 3,792.56 is: 5,685.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,989.52 : 13,476 = 3,792.56 : x
  2. Step 2: Convert to fraction form
    8,989.52/13,476 = 3,792.56/x
  3. Step 3: Cross multiply
    8,989.52x = 13,476 × 3,792.56
  4. Step 4: Simplify right side
    8,989.52x = 51,108,538.56
  5. Step 5: Solve for x
    x = 51,108,538.56/8,989.52
  6. Step 6: Final answer
    x = 5,685.35

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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.