Home / 4,221.38-6,333.06-1,299.62

Finding the Fourth Proportional to 4,221.38, 6,333.06 and 1,299.62

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Solution

The fourth proportional to 4,221.38, 6,333.06 and 1,299.62 is: 1,949.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,221.38 : 6,333.06 = 1,299.62 : x
  2. Step 2: Convert to fraction form
    4,221.38/6,333.06 = 1,299.62/x
  3. Step 3: Cross multiply
    4,221.38x = 6,333.06 × 1,299.62
  4. Step 4: Simplify right side
    4,221.38x = 8,230,571.44
  5. Step 5: Solve for x
    x = 8,230,571.44/4,221.38
  6. Step 6: Final answer
    x = 1,949.73

Related Problems

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