Home / 8,375.28-12,563.52-3,181.08

Finding the Fourth Proportional to 8,375.28, 12,563.52 and 3,181.08

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Solution

The fourth proportional to 8,375.28, 12,563.52 and 3,181.08 is: 4,771.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,375.28 : 12,563.52 = 3,181.08 : x
  2. Step 2: Convert to fraction form
    8,375.28/12,563.52 = 3,181.08/x
  3. Step 3: Cross multiply
    8,375.28x = 12,563.52 × 3,181.08
  4. Step 4: Simplify right side
    8,375.28x = 39,965,562.20
  5. Step 5: Solve for x
    x = 39,965,562.20/8,375.28
  6. Step 6: Final answer
    x = 4,771.85

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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.