Home / 8,089.38-12,132.45-2,541.96

Finding the Fourth Proportional to 8,089.38, 12,132.45 and 2,541.96

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Solution

The fourth proportional to 8,089.38, 12,132.45 and 2,541.96 is: 3,812.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,089.38 : 12,132.45 = 2,541.96 : x
  2. Step 2: Convert to fraction form
    8,089.38/12,132.45 = 2,541.96/x
  3. Step 3: Cross multiply
    8,089.38x = 12,132.45 × 2,541.96
  4. Step 4: Simplify right side
    8,089.38x = 30,840,202.60
  5. Step 5: Solve for x
    x = 30,840,202.60/8,089.38
  6. Step 6: Final answer
    x = 3,812.43

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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.