Home / 6,481.20-8,940.66-4,906.56

Finding the Fourth Proportional to 6,481.20, 8,940.66 and 4,906.56

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Solution

The fourth proportional to 6,481.20, 8,940.66 and 4,906.56 is: 6,768.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,481.20 : 8,940.66 = 4,906.56 : x
  2. Step 2: Convert to fraction form
    6,481.20/8,940.66 = 4,906.56/x
  3. Step 3: Cross multiply
    6,481.20x = 8,940.66 × 4,906.56
  4. Step 4: Simplify right side
    6,481.20x = 43,867,884.73
  5. Step 5: Solve for x
    x = 43,867,884.73/6,481.20
  6. Step 6: Final answer
    x = 6,768.48

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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.