Home / 6,820.82-10,229.18-4,480.73

Finding the Fourth Proportional to 6,820.82, 10,229.18 and 4,480.73

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Solution

The fourth proportional to 6,820.82, 10,229.18 and 4,480.73 is: 6,719.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,820.82 : 10,229.18 = 4,480.73 : x
  2. Step 2: Convert to fraction form
    6,820.82/10,229.18 = 4,480.73/x
  3. Step 3: Cross multiply
    6,820.82x = 10,229.18 × 4,480.73
  4. Step 4: Simplify right side
    6,820.82x = 45,834,193.70
  5. Step 5: Solve for x
    x = 45,834,193.70/6,820.82
  6. Step 6: Final answer
    x = 6,719.75

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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.