Home / 8,940.22-13,414.66-3,679.12

Finding the Fourth Proportional to 8,940.22, 13,414.66 and 3,679.12

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Solution

The fourth proportional to 8,940.22, 13,414.66 and 3,679.12 is: 5,520.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,940.22 : 13,414.66 = 3,679.12 : x
  2. Step 2: Convert to fraction form
    8,940.22/13,414.66 = 3,679.12/x
  3. Step 3: Cross multiply
    8,940.22x = 13,414.66 × 3,679.12
  4. Step 4: Simplify right side
    8,940.22x = 49,354,143.90
  5. Step 5: Solve for x
    x = 49,354,143.90/8,940.22
  6. Step 6: Final answer
    x = 5,520.46

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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.