Home / 8,028.75-11,079.68-5,234.25

Finding the Fourth Proportional to 8,028.75, 11,079.68 and 5,234.25

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Solution

The fourth proportional to 8,028.75, 11,079.68 and 5,234.25 is: 7,223.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,028.75 : 11,079.68 = 5,234.25 : x
  2. Step 2: Convert to fraction form
    8,028.75/11,079.68 = 5,234.25/x
  3. Step 3: Cross multiply
    8,028.75x = 11,079.68 × 5,234.25
  4. Step 4: Simplify right side
    8,028.75x = 57,993,815.04
  5. Step 5: Solve for x
    x = 57,993,815.04/8,028.75
  6. Step 6: Final answer
    x = 7,223.27

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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.