Home / 8,418.71-12,628.07-2,575.27

Finding the Fourth Proportional to 8,418.71, 12,628.07 and 2,575.27

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Solution

The fourth proportional to 8,418.71, 12,628.07 and 2,575.27 is: 3,862.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,418.71 : 12,628.07 = 2,575.27 : x
  2. Step 2: Convert to fraction form
    8,418.71/12,628.07 = 2,575.27/x
  3. Step 3: Cross multiply
    8,418.71x = 12,628.07 × 2,575.27
  4. Step 4: Simplify right side
    8,418.71x = 32,520,689.83
  5. Step 5: Solve for x
    x = 32,520,689.83/8,418.71
  6. Step 6: Final answer
    x = 3,862.91

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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.