Home / 8,375.29-12,562.67-2,135.28

Finding the Fourth Proportional to 8,375.29, 12,562.67 and 2,135.28

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Solution

The fourth proportional to 8,375.29, 12,562.67 and 2,135.28 is: 3,202.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,375.29 : 12,562.67 = 2,135.28 : x
  2. Step 2: Convert to fraction form
    8,375.29/12,562.67 = 2,135.28/x
  3. Step 3: Cross multiply
    8,375.29x = 12,562.67 × 2,135.28
  4. Step 4: Simplify right side
    8,375.29x = 26,824,799.78
  5. Step 5: Solve for x
    x = 26,824,799.78/8,375.29
  6. Step 6: Final answer
    x = 3,202.85

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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.