Home / 8,218.44-12,327.12-3,836.88

Finding the Fourth Proportional to 8,218.44, 12,327.12 and 3,836.88

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Solution

The fourth proportional to 8,218.44, 12,327.12 and 3,836.88 is: 5,755.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,218.44 : 12,327.12 = 3,836.88 : x
  2. Step 2: Convert to fraction form
    8,218.44/12,327.12 = 3,836.88/x
  3. Step 3: Cross multiply
    8,218.44x = 12,327.12 × 3,836.88
  4. Step 4: Simplify right side
    8,218.44x = 47,297,680.19
  5. Step 5: Solve for x
    x = 47,297,680.19/8,218.44
  6. Step 6: Final answer
    x = 5,755.07

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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.