Home / 8,375.04-12,565.44-3,181.68

Finding the Fourth Proportional to 8,375.04, 12,565.44 and 3,181.68

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Solution

The fourth proportional to 8,375.04, 12,565.44 and 3,181.68 is: 4,773.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,375.04 : 12,565.44 = 3,181.68 : x
  2. Step 2: Convert to fraction form
    8,375.04/12,565.44 = 3,181.68/x
  3. Step 3: Cross multiply
    8,375.04x = 12,565.44 × 3,181.68
  4. Step 4: Simplify right side
    8,375.04x = 39,979,209.14
  5. Step 5: Solve for x
    x = 39,979,209.14/8,375.04
  6. Step 6: Final answer
    x = 4,773.61

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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.