Home / 8,180.50-12,254.46-3,791.92

Finding the Fourth Proportional to 8,180.50, 12,254.46 and 3,791.92

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Solution

The fourth proportional to 8,180.50, 12,254.46 and 3,791.92 is: 5,680.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,180.50 : 12,254.46 = 3,791.92 : x
  2. Step 2: Convert to fraction form
    8,180.50/12,254.46 = 3,791.92/x
  3. Step 3: Cross multiply
    8,180.50x = 12,254.46 × 3,791.92
  4. Step 4: Simplify right side
    8,180.50x = 46,467,931.96
  5. Step 5: Solve for x
    x = 46,467,931.96/8,180.50
  6. Step 6: Final answer
    x = 5,680.33

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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.