Home / 8,256.40-12,385.17-3,326.05

Finding the Fourth Proportional to 8,256.40, 12,385.17 and 3,326.05

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Solution

The fourth proportional to 8,256.40, 12,385.17 and 3,326.05 is: 4,989.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,256.40 : 12,385.17 = 3,326.05 : x
  2. Step 2: Convert to fraction form
    8,256.40/12,385.17 = 3,326.05/x
  3. Step 3: Cross multiply
    8,256.40x = 12,385.17 × 3,326.05
  4. Step 4: Simplify right side
    8,256.40x = 41,193,694.68
  5. Step 5: Solve for x
    x = 41,193,694.68/8,256.40
  6. Step 6: Final answer
    x = 4,989.30

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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.