Home / 8,252.64-12,380.33-4,092.79

Finding the Fourth Proportional to 8,252.64, 12,380.33 and 4,092.79

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Solution

The fourth proportional to 8,252.64, 12,380.33 and 4,092.79 is: 6,139.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,252.64 : 12,380.33 = 4,092.79 : x
  2. Step 2: Convert to fraction form
    8,252.64/12,380.33 = 4,092.79/x
  3. Step 3: Cross multiply
    8,252.64x = 12,380.33 × 4,092.79
  4. Step 4: Simplify right side
    8,252.64x = 50,670,070.10
  5. Step 5: Solve for x
    x = 50,670,070.10/8,252.64
  6. Step 6: Final answer
    x = 6,139.86

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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.