Home / 8,375.90-12,565.20-2,829.57

Finding the Fourth Proportional to 8,375.90, 12,565.20 and 2,829.57

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Solution

The fourth proportional to 8,375.90, 12,565.20 and 2,829.57 is: 4,244.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,375.90 : 12,565.20 = 2,829.57 : x
  2. Step 2: Convert to fraction form
    8,375.90/12,565.20 = 2,829.57/x
  3. Step 3: Cross multiply
    8,375.90x = 12,565.20 × 2,829.57
  4. Step 4: Simplify right side
    8,375.90x = 35,554,112.96
  5. Step 5: Solve for x
    x = 35,554,112.96/8,375.90
  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.