Home / 8,419.28-12,630.93-2,575.88

Finding the Fourth Proportional to 8,419.28, 12,630.93 and 2,575.88

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Solution

The fourth proportional to 8,419.28, 12,630.93 and 2,575.88 is: 3,864.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,419.28 : 12,630.93 = 2,575.88 : x
  2. Step 2: Convert to fraction form
    8,419.28/12,630.93 = 2,575.88/x
  3. Step 3: Cross multiply
    8,419.28x = 12,630.93 × 2,575.88
  4. Step 4: Simplify right side
    8,419.28x = 32,535,759.97
  5. Step 5: Solve for x
    x = 32,535,759.97/8,419.28
  6. Step 6: Final answer
    x = 3,864.43

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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.