Home / 8,180.61-12,277.04-3,183.77

Finding the Fourth Proportional to 8,180.61, 12,277.04 and 3,183.77

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Solution

The fourth proportional to 8,180.61, 12,277.04 and 3,183.77 is: 4,778.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,180.61 : 12,277.04 = 3,183.77 : x
  2. Step 2: Convert to fraction form
    8,180.61/12,277.04 = 3,183.77/x
  3. Step 3: Cross multiply
    8,180.61x = 12,277.04 × 3,183.77
  4. Step 4: Simplify right side
    8,180.61x = 39,087,286.41
  5. Step 5: Solve for x
    x = 39,087,286.41/8,180.61
  6. Step 6: Final answer
    x = 4,778.04

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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.