Home / 8,348.77-12,517.23-4,185.78

Finding the Fourth Proportional to 8,348.77, 12,517.23 and 4,185.78

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Solution

The fourth proportional to 8,348.77, 12,517.23 and 4,185.78 is: 6,275.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,348.77 : 12,517.23 = 4,185.78 : x
  2. Step 2: Convert to fraction form
    8,348.77/12,517.23 = 4,185.78/x
  3. Step 3: Cross multiply
    8,348.77x = 12,517.23 × 4,185.78
  4. Step 4: Simplify right side
    8,348.77x = 52,394,339.75
  5. Step 5: Solve for x
    x = 52,394,339.75/8,348.77
  6. Step 6: Final answer
    x = 6,275.69

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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.