Home / 8,162.22-12,241.73-3,998.11

Finding the Fourth Proportional to 8,162.22, 12,241.73 and 3,998.11

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Solution

The fourth proportional to 8,162.22, 12,241.73 and 3,998.11 is: 5,996.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,162.22 : 12,241.73 = 3,998.11 : x
  2. Step 2: Convert to fraction form
    8,162.22/12,241.73 = 3,998.11/x
  3. Step 3: Cross multiply
    8,162.22x = 12,241.73 × 3,998.11
  4. Step 4: Simplify right side
    8,162.22x = 48,943,785.47
  5. Step 5: Solve for x
    x = 48,943,785.47/8,162.22
  6. Step 6: Final answer
    x = 5,996.38

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Half scale
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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.