Home / 6,610.48-9,119.94-4,220.54

Finding the Fourth Proportional to 6,610.48, 9,119.94 and 4,220.54

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Solution

The fourth proportional to 6,610.48, 9,119.94 and 4,220.54 is: 5,822.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,610.48 : 9,119.94 = 4,220.54 : x
  2. Step 2: Convert to fraction form
    6,610.48/9,119.94 = 4,220.54/x
  3. Step 3: Cross multiply
    6,610.48x = 9,119.94 × 4,220.54
  4. Step 4: Simplify right side
    6,610.48x = 38,491,025.97
  5. Step 5: Solve for x
    x = 38,491,025.97/6,610.48
  6. Step 6: Final answer
    x = 5,822.73

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Half scale
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Double scale
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Similar ratio
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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.