Home / 8,181.27-12,266.43-3,249.59

Finding the Fourth Proportional to 8,181.27, 12,266.43 and 3,249.59

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Solution

The fourth proportional to 8,181.27, 12,266.43 and 3,249.59 is: 4,872.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,181.27 : 12,266.43 = 3,249.59 : x
  2. Step 2: Convert to fraction form
    8,181.27/12,266.43 = 3,249.59/x
  3. Step 3: Cross multiply
    8,181.27x = 12,266.43 × 3,249.59
  4. Step 4: Simplify right side
    8,181.27x = 39,860,806.93
  5. Step 5: Solve for x
    x = 39,860,806.93/8,181.27
  6. Step 6: Final answer
    x = 4,872.20

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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.