Home / 6,778.20-10,167.30-4,452.90

Finding the Fourth Proportional to 6,778.20, 10,167.30 and 4,452.90

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Solution

The fourth proportional to 6,778.20, 10,167.30 and 4,452.90 is: 6,679.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,778.20 : 10,167.30 = 4,452.90 : x
  2. Step 2: Convert to fraction form
    6,778.20/10,167.30 = 4,452.90/x
  3. Step 3: Cross multiply
    6,778.20x = 10,167.30 × 4,452.90
  4. Step 4: Simplify right side
    6,778.20x = 45,273,970.17
  5. Step 5: Solve for x
    x = 45,273,970.17/6,778.20
  6. Step 6: Final answer
    x = 6,679.35

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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.