Home / 8,575.12-12,862.69-5,652.75

Finding the Fourth Proportional to 8,575.12, 12,862.69 and 5,652.75

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Solution

The fourth proportional to 8,575.12, 12,862.69 and 5,652.75 is: 8,479.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,575.12 : 12,862.69 = 5,652.75 : x
  2. Step 2: Convert to fraction form
    8,575.12/12,862.69 = 5,652.75/x
  3. Step 3: Cross multiply
    8,575.12x = 12,862.69 × 5,652.75
  4. Step 4: Simplify right side
    8,575.12x = 72,709,481.85
  5. Step 5: Solve for x
    x = 72,709,481.85/8,575.12
  6. Step 6: Final answer
    x = 8,479.12

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Similar ratio
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1.5x scale

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.