Home / 8,049.91-12,078.33-3,893.04

Finding the Fourth Proportional to 8,049.91, 12,078.33 and 3,893.04

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Solution

The fourth proportional to 8,049.91, 12,078.33 and 3,893.04 is: 5,841.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,049.91 : 12,078.33 = 3,893.04 : x
  2. Step 2: Convert to fraction form
    8,049.91/12,078.33 = 3,893.04/x
  3. Step 3: Cross multiply
    8,049.91x = 12,078.33 × 3,893.04
  4. Step 4: Simplify right side
    8,049.91x = 47,021,421.82
  5. Step 5: Solve for x
    x = 47,021,421.82/8,049.91
  6. Step 6: Final answer
    x = 5,841.24

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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.