Home / 4,247.60-6,376.20-2,517.20

Finding the Fourth Proportional to 4,247.60, 6,376.20 and 2,517.20

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Solution

The fourth proportional to 4,247.60, 6,376.20 and 2,517.20 is: 3,778.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,247.60 : 6,376.20 = 2,517.20 : x
  2. Step 2: Convert to fraction form
    4,247.60/6,376.20 = 2,517.20/x
  3. Step 3: Cross multiply
    4,247.60x = 6,376.20 × 2,517.20
  4. Step 4: Simplify right side
    4,247.60x = 16,050,170.64
  5. Step 5: Solve for x
    x = 16,050,170.64/4,247.60
  6. Step 6: Final answer
    x = 3,778.64

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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.