Home / 8,134.97-12,202.92-2,292.05

Finding the Fourth Proportional to 8,134.97, 12,202.92 and 2,292.05

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Solution

The fourth proportional to 8,134.97, 12,202.92 and 2,292.05 is: 3,438.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,134.97 : 12,202.92 = 2,292.05 : x
  2. Step 2: Convert to fraction form
    8,134.97/12,202.92 = 2,292.05/x
  3. Step 3: Cross multiply
    8,134.97x = 12,202.92 × 2,292.05
  4. Step 4: Simplify right side
    8,134.97x = 27,969,702.79
  5. Step 5: Solve for x
    x = 27,969,702.79/8,134.97
  6. Step 6: Final answer
    x = 3,438.21

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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.