Home / 6,763.80-10,143.12-3,251.59

Finding the Fourth Proportional to 6,763.80, 10,143.12 and 3,251.59

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Solution

The fourth proportional to 6,763.80, 10,143.12 and 3,251.59 is: 4,876.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,763.80 : 10,143.12 = 3,251.59 : x
  2. Step 2: Convert to fraction form
    6,763.80/10,143.12 = 3,251.59/x
  3. Step 3: Cross multiply
    6,763.80x = 10,143.12 × 3,251.59
  4. Step 4: Simplify right side
    6,763.80x = 32,981,311.45
  5. Step 5: Solve for x
    x = 32,981,311.45/6,763.80
  6. Step 6: Final answer
    x = 4,876.15

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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.