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Finding the Fourth Proportional to 8,160.52, 12,241.02 and 5,404.84

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Solution

The fourth proportional to 8,160.52, 12,241.02 and 5,404.84 is: 8,107.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,160.52 : 12,241.02 = 5,404.84 : x
  2. Step 2: Convert to fraction form
    8,160.52/12,241.02 = 5,404.84/x
  3. Step 3: Cross multiply
    8,160.52x = 12,241.02 × 5,404.84
  4. Step 4: Simplify right side
    8,160.52x = 66,160,754.54
  5. Step 5: Solve for x
    x = 66,160,754.54/8,160.52
  6. Step 6: Final answer
    x = 8,107.42

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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.