Home / 8,272.32-12,407.27-2,428.17

Finding the Fourth Proportional to 8,272.32, 12,407.27 and 2,428.17

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Solution

The fourth proportional to 8,272.32, 12,407.27 and 2,428.17 is: 3,641.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,272.32 : 12,407.27 = 2,428.17 : x
  2. Step 2: Convert to fraction form
    8,272.32/12,407.27 = 2,428.17/x
  3. Step 3: Cross multiply
    8,272.32x = 12,407.27 × 2,428.17
  4. Step 4: Simplify right side
    8,272.32x = 30,126,948.66
  5. Step 5: Solve for x
    x = 30,126,948.66/8,272.32
  6. Step 6: Final answer
    x = 3,641.90

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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.