Home / 8,382.38-12,575.37-2,835.45

Finding the Fourth Proportional to 8,382.38, 12,575.37 and 2,835.45

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Solution

The fourth proportional to 8,382.38, 12,575.37 and 2,835.45 is: 4,253.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,382.38 : 12,575.37 = 2,835.45 : x
  2. Step 2: Convert to fraction form
    8,382.38/12,575.37 = 2,835.45/x
  3. Step 3: Cross multiply
    8,382.38x = 12,575.37 × 2,835.45
  4. Step 4: Simplify right side
    8,382.38x = 35,656,832.87
  5. Step 5: Solve for x
    x = 35,656,832.87/8,382.38
  6. Step 6: Final answer
    x = 4,253.78

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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.