Home / 6,778.45-10,167.68-4,453.15

Finding the Fourth Proportional to 6,778.45, 10,167.68 and 4,453.15

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Solution

The fourth proportional to 6,778.45, 10,167.68 and 4,453.15 is: 6,679.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,778.45 : 10,167.68 = 4,453.15 : x
  2. Step 2: Convert to fraction form
    6,778.45/10,167.68 = 4,453.15/x
  3. Step 3: Cross multiply
    6,778.45x = 10,167.68 × 4,453.15
  4. Step 4: Simplify right side
    6,778.45x = 45,278,204.19
  5. Step 5: Solve for x
    x = 45,278,204.19/6,778.45
  6. Step 6: Final answer
    x = 6,679.73

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Similar ratio
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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.