Home / 8,348.87-12,513.68-4,191.75

Finding the Fourth Proportional to 8,348.87, 12,513.68 and 4,191.75

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Solution

The fourth proportional to 8,348.87, 12,513.68 and 4,191.75 is: 6,282.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,348.87 : 12,513.68 = 4,191.75 : x
  2. Step 2: Convert to fraction form
    8,348.87/12,513.68 = 4,191.75/x
  3. Step 3: Cross multiply
    8,348.87x = 12,513.68 × 4,191.75
  4. Step 4: Simplify right side
    8,348.87x = 52,454,228.62
  5. Step 5: Solve for x
    x = 52,454,228.62/8,348.87
  6. Step 6: Final answer
    x = 6,282.79

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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.