Home / 8,196.38-11,309.38-4,839.33

Finding the Fourth Proportional to 8,196.38, 11,309.38 and 4,839.33

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Solution

The fourth proportional to 8,196.38, 11,309.38 and 4,839.33 is: 6,677.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,196.38 : 11,309.38 = 4,839.33 : x
  2. Step 2: Convert to fraction form
    8,196.38/11,309.38 = 4,839.33/x
  3. Step 3: Cross multiply
    8,196.38x = 11,309.38 × 4,839.33
  4. Step 4: Simplify right side
    8,196.38x = 54,729,821.92
  5. Step 5: Solve for x
    x = 54,729,821.92/8,196.38
  6. Step 6: Final answer
    x = 6,677.32

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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.