Home / 8,124.43-12,186.83-3,963.86

Finding the Fourth Proportional to 8,124.43, 12,186.83 and 3,963.86

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Solution

The fourth proportional to 8,124.43, 12,186.83 and 3,963.86 is: 5,945.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,124.43 : 12,186.83 = 3,963.86 : x
  2. Step 2: Convert to fraction form
    8,124.43/12,186.83 = 3,963.86/x
  3. Step 3: Cross multiply
    8,124.43x = 12,186.83 × 3,963.86
  4. Step 4: Simplify right side
    8,124.43x = 48,306,868.14
  5. Step 5: Solve for x
    x = 48,306,868.14/8,124.43
  6. Step 6: Final answer
    x = 5,945.88

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1.5x scale

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.