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Finding the Fourth Proportional to 8,180.52, 11,286.21 and 5,349.52

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Solution

The fourth proportional to 8,180.52, 11,286.21 and 5,349.52 is: 7,380.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,180.52 : 11,286.21 = 5,349.52 : x
  2. Step 2: Convert to fraction form
    8,180.52/11,286.21 = 5,349.52/x
  3. Step 3: Cross multiply
    8,180.52x = 11,286.21 × 5,349.52
  4. Step 4: Simplify right side
    8,180.52x = 60,375,806.12
  5. Step 5: Solve for x
    x = 60,375,806.12/8,180.52
  6. Step 6: Final answer
    x = 7,380.44

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