Home / 8,418.23-12,627.34-3,486.54

Finding the Fourth Proportional to 8,418.23, 12,627.34 and 3,486.54

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Solution

The fourth proportional to 8,418.23, 12,627.34 and 3,486.54 is: 5,229.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,418.23 : 12,627.34 = 3,486.54 : x
  2. Step 2: Convert to fraction form
    8,418.23/12,627.34 = 3,486.54/x
  3. Step 3: Cross multiply
    8,418.23x = 12,627.34 × 3,486.54
  4. Step 4: Simplify right side
    8,418.23x = 44,025,726.00
  5. Step 5: Solve for x
    x = 44,025,726.00/8,418.23
  6. Step 6: Final answer
    x = 5,229.81

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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.