Home / 5,144.38-7,099.54-2,906.20

Finding the Fourth Proportional to 5,144.38, 7,099.54 and 2,906.20

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Solution

The fourth proportional to 5,144.38, 7,099.54 and 2,906.20 is: 4,010.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,144.38 : 7,099.54 = 2,906.20 : x
  2. Step 2: Convert to fraction form
    5,144.38/7,099.54 = 2,906.20/x
  3. Step 3: Cross multiply
    5,144.38x = 7,099.54 × 2,906.20
  4. Step 4: Simplify right side
    5,144.38x = 20,632,647.65
  5. Step 5: Solve for x
    x = 20,632,647.65/5,144.38
  6. Step 6: Final answer
    x = 4,010.72

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Half scale
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Double scale
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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.