Home / 5,286.03-7,930.26-2,819.55

Finding the Fourth Proportional to 5,286.03, 7,930.26 and 2,819.55

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Solution

The fourth proportional to 5,286.03, 7,930.26 and 2,819.55 is: 4,229.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,286.03 : 7,930.26 = 2,819.55 : x
  2. Step 2: Convert to fraction form
    5,286.03/7,930.26 = 2,819.55/x
  3. Step 3: Cross multiply
    5,286.03x = 7,930.26 × 2,819.55
  4. Step 4: Simplify right side
    5,286.03x = 22,359,764.58
  5. Step 5: Solve for x
    x = 22,359,764.58/5,286.03
  6. Step 6: Final answer
    x = 4,229.97

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1.5x scale

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.