Home / 4,819.20-6,650.24-2,723.20

Finding the Fourth Proportional to 4,819.20, 6,650.24 and 2,723.20

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Solution

The fourth proportional to 4,819.20, 6,650.24 and 2,723.20 is: 3,757.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,819.20 : 6,650.24 = 2,723.20 : x
  2. Step 2: Convert to fraction form
    4,819.20/6,650.24 = 2,723.20/x
  3. Step 3: Cross multiply
    4,819.20x = 6,650.24 × 2,723.20
  4. Step 4: Simplify right side
    4,819.20x = 18,109,933.57
  5. Step 5: Solve for x
    x = 18,109,933.57/4,819.20
  6. Step 6: Final answer
    x = 3,757.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.