Home / 6,229.78-9,299.06-5,491.69

Finding the Fourth Proportional to 6,229.78, 9,299.06 and 5,491.69

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Solution

The fourth proportional to 6,229.78, 9,299.06 and 5,491.69 is: 8,197.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,229.78 : 9,299.06 = 5,491.69 : x
  2. Step 2: Convert to fraction form
    6,229.78/9,299.06 = 5,491.69/x
  3. Step 3: Cross multiply
    6,229.78x = 9,299.06 × 5,491.69
  4. Step 4: Simplify right side
    6,229.78x = 51,067,554.81
  5. Step 5: Solve for x
    x = 51,067,554.81/6,229.78
  6. Step 6: Final answer
    x = 8,197.33

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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 (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.