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Finding the Fourth Proportional to 8,505.52, 12,759.42 and 2,958.14

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Solution

The fourth proportional to 8,505.52, 12,759.42 and 2,958.14 is: 4,437.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,505.52 : 12,759.42 = 2,958.14 : x
  2. Step 2: Convert to fraction form
    8,505.52/12,759.42 = 2,958.14/x
  3. Step 3: Cross multiply
    8,505.52x = 12,759.42 × 2,958.14
  4. Step 4: Simplify right side
    8,505.52x = 37,744,150.68
  5. Step 5: Solve for x
    x = 37,744,150.68/8,505.52
  6. Step 6: Final answer
    x = 4,437.61

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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.