Home / 4,311.20-6,467.70-2,460.80

Finding the Fourth Proportional to 4,311.20, 6,467.70 and 2,460.80

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Solution

The fourth proportional to 4,311.20, 6,467.70 and 2,460.80 is: 3,691.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,311.20 : 6,467.70 = 2,460.80 : x
  2. Step 2: Convert to fraction form
    4,311.20/6,467.70 = 2,460.80/x
  3. Step 3: Cross multiply
    4,311.20x = 6,467.70 × 2,460.80
  4. Step 4: Simplify right side
    4,311.20x = 15,915,716.16
  5. Step 5: Solve for x
    x = 15,915,716.16/4,311.20
  6. Step 6: Final answer
    x = 3,691.71

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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.