Home / 8,181.26-12,270.03-3,249.57

Finding the Fourth Proportional to 8,181.26, 12,270.03 and 3,249.57

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Solution

The fourth proportional to 8,181.26, 12,270.03 and 3,249.57 is: 4,873.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,181.26 : 12,270.03 = 3,249.57 : x
  2. Step 2: Convert to fraction form
    8,181.26/12,270.03 = 3,249.57/x
  3. Step 3: Cross multiply
    8,181.26x = 12,270.03 × 3,249.57
  4. Step 4: Simplify right side
    8,181.26x = 39,872,321.39
  5. Step 5: Solve for x
    x = 39,872,321.39/8,181.26
  6. Step 6: Final answer
    x = 4,873.62

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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.