Home / 8,505.48-12,753.42-2,660.52

Finding the Fourth Proportional to 8,505.48, 12,753.42 and 2,660.52

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Solution

The fourth proportional to 8,505.48, 12,753.42 and 2,660.52 is: 3,989.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,505.48 : 12,753.42 = 2,660.52 : x
  2. Step 2: Convert to fraction form
    8,505.48/12,753.42 = 2,660.52/x
  3. Step 3: Cross multiply
    8,505.48x = 12,753.42 × 2,660.52
  4. Step 4: Simplify right side
    8,505.48x = 33,930,728.98
  5. Step 5: Solve for x
    x = 33,930,728.98/8,505.48
  6. Step 6: Final answer
    x = 3,989.28

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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.