Home / 8,327.40-12,491.10-4,627.86

Finding the Fourth Proportional to 8,327.40, 12,491.10 and 4,627.86

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Solution

The fourth proportional to 8,327.40, 12,491.10 and 4,627.86 is: 6,941.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,327.40 : 12,491.10 = 4,627.86 : x
  2. Step 2: Convert to fraction form
    8,327.40/12,491.10 = 4,627.86/x
  3. Step 3: Cross multiply
    8,327.40x = 12,491.10 × 4,627.86
  4. Step 4: Simplify right side
    8,327.40x = 57,807,062.05
  5. Step 5: Solve for x
    x = 57,807,062.05/8,327.40
  6. Step 6: Final answer
    x = 6,941.79

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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.