Home / 8,425.42-12,637.82-2,581.88

Finding the Fourth Proportional to 8,425.42, 12,637.82 and 2,581.88

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Solution

The fourth proportional to 8,425.42, 12,637.82 and 2,581.88 is: 3,872.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,425.42 : 12,637.82 = 2,581.88 : x
  2. Step 2: Convert to fraction form
    8,425.42/12,637.82 = 2,581.88/x
  3. Step 3: Cross multiply
    8,425.42x = 12,637.82 × 2,581.88
  4. Step 4: Simplify right side
    8,425.42x = 32,629,277.97
  5. Step 5: Solve for x
    x = 32,629,277.97/8,425.42
  6. Step 6: Final answer
    x = 3,872.72

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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.