Home / 8,375.89-12,565.20-2,829.56

Finding the Fourth Proportional to 8,375.89, 12,565.20 and 2,829.56

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Solution

The fourth proportional to 8,375.89, 12,565.20 and 2,829.56 is: 4,244.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,375.89 : 12,565.20 = 2,829.56 : x
  2. Step 2: Convert to fraction form
    8,375.89/12,565.20 = 2,829.56/x
  3. Step 3: Cross multiply
    8,375.89x = 12,565.20 × 2,829.56
  4. Step 4: Simplify right side
    8,375.89x = 35,554,018.73
  5. Step 5: Solve for x
    x = 35,554,018.73/8,375.89
  6. Step 6: Final answer
    x = 4,244.81

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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.