Home / 8,326.15-12,489.23-4,626.61

Finding the Fourth Proportional to 8,326.15, 12,489.23 and 4,626.61

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Solution

The fourth proportional to 8,326.15, 12,489.23 and 4,626.61 is: 6,939.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,326.15 : 12,489.23 = 4,626.61 : x
  2. Step 2: Convert to fraction form
    8,326.15/12,489.23 = 4,626.61/x
  3. Step 3: Cross multiply
    8,326.15x = 12,489.23 × 4,626.61
  4. Step 4: Simplify right side
    8,326.15x = 57,782,773.28
  5. Step 5: Solve for x
    x = 57,782,773.28/8,326.15
  6. Step 6: Final answer
    x = 6,939.92

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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.