Home / 4,217.20-5,821.97-2,725.97

Finding the Fourth Proportional to 4,217.20, 5,821.97 and 2,725.97

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Solution

The fourth proportional to 4,217.20, 5,821.97 and 2,725.97 is: 3,763.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,217.20 : 5,821.97 = 2,725.97 : x
  2. Step 2: Convert to fraction form
    4,217.20/5,821.97 = 2,725.97/x
  3. Step 3: Cross multiply
    4,217.20x = 5,821.97 × 2,725.97
  4. Step 4: Simplify right side
    4,217.20x = 15,870,487.38
  5. Step 5: Solve for x
    x = 15,870,487.38/4,217.20
  6. Step 6: Final answer
    x = 3,763.27

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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.