Home / 4,814.92-6,645.20-2,719

Finding the Fourth Proportional to 4,814.92, 6,645.20 and 2,719

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Solution

The fourth proportional to 4,814.92, 6,645.20 and 2,719 is: 3,752.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,814.92 : 6,645.20 = 2,719 : x
  2. Step 2: Convert to fraction form
    4,814.92/6,645.20 = 2,719/x
  3. Step 3: Cross multiply
    4,814.92x = 6,645.20 × 2,719
  4. Step 4: Simplify right side
    4,814.92x = 18,068,298.80
  5. Step 5: Solve for x
    x = 18,068,298.80/4,814.92
  6. Step 6: Final answer
    x = 3,752.56

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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.