Home / 4,819.10-6,651.24-3,119.70

Finding the Fourth Proportional to 4,819.10, 6,651.24 and 3,119.70

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Solution

The fourth proportional to 4,819.10, 6,651.24 and 3,119.70 is: 4,305.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,819.10 : 6,651.24 = 3,119.70 : x
  2. Step 2: Convert to fraction form
    4,819.10/6,651.24 = 3,119.70/x
  3. Step 3: Cross multiply
    4,819.10x = 6,651.24 × 3,119.70
  4. Step 4: Simplify right side
    4,819.10x = 20,749,873.43
  5. Step 5: Solve for x
    x = 20,749,873.43/4,819.10
  6. Step 6: Final answer
    x = 4,305.76

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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.