Home / 8,327.20-12,487.86-3,649.48

Finding the Fourth Proportional to 8,327.20, 12,487.86 and 3,649.48

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Solution

The fourth proportional to 8,327.20, 12,487.86 and 3,649.48 is: 5,472.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,327.20 : 12,487.86 = 3,649.48 : x
  2. Step 2: Convert to fraction form
    8,327.20/12,487.86 = 3,649.48/x
  3. Step 3: Cross multiply
    8,327.20x = 12,487.86 × 3,649.48
  4. Step 4: Simplify right side
    8,327.20x = 45,574,195.31
  5. Step 5: Solve for x
    x = 45,574,195.31/8,327.20
  6. Step 6: Final answer
    x = 5,472.93

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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.