Home / 4,910.87-7,367.68-1,626.28

Finding the Fourth Proportional to 4,910.87, 7,367.68 and 1,626.28

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Solution

The fourth proportional to 4,910.87, 7,367.68 and 1,626.28 is: 2,439.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,910.87 : 7,367.68 = 1,626.28 : x
  2. Step 2: Convert to fraction form
    4,910.87/7,367.68 = 1,626.28/x
  3. Step 3: Cross multiply
    4,910.87x = 7,367.68 × 1,626.28
  4. Step 4: Simplify right side
    4,910.87x = 11,981,873.79
  5. Step 5: Solve for x
    x = 11,981,873.79/4,910.87
  6. Step 6: Final answer
    x = 2,439.87

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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.