Home / 4,481.48-6,728.32-3,091.38

Finding the Fourth Proportional to 4,481.48, 6,728.32 and 3,091.38

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Solution

The fourth proportional to 4,481.48, 6,728.32 and 3,091.38 is: 4,641.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,481.48 : 6,728.32 = 3,091.38 : x
  2. Step 2: Convert to fraction form
    4,481.48/6,728.32 = 3,091.38/x
  3. Step 3: Cross multiply
    4,481.48x = 6,728.32 × 3,091.38
  4. Step 4: Simplify right side
    4,481.48x = 20,799,793.88
  5. Step 5: Solve for x
    x = 20,799,793.88/4,481.48
  6. Step 6: Final answer
    x = 4,641.28

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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.