Home / 8,363.40-12,549.96-3,436.59

Finding the Fourth Proportional to 8,363.40, 12,549.96 and 3,436.59

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Solution

The fourth proportional to 8,363.40, 12,549.96 and 3,436.59 is: 5,156.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,363.40 : 12,549.96 = 3,436.59 : x
  2. Step 2: Convert to fraction form
    8,363.40/12,549.96 = 3,436.59/x
  3. Step 3: Cross multiply
    8,363.40x = 12,549.96 × 3,436.59
  4. Step 4: Simplify right side
    8,363.40x = 43,129,067.04
  5. Step 5: Solve for x
    x = 43,129,067.04/8,363.40
  6. Step 6: Final answer
    x = 5,156.88

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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.