Home / 6,221.49-8,581.98-3,982.53

Finding the Fourth Proportional to 6,221.49, 8,581.98 and 3,982.53

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Solution

The fourth proportional to 6,221.49, 8,581.98 and 3,982.53 is: 5,493.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,221.49 : 8,581.98 = 3,982.53 : x
  2. Step 2: Convert to fraction form
    6,221.49/8,581.98 = 3,982.53/x
  3. Step 3: Cross multiply
    6,221.49x = 8,581.98 × 3,982.53
  4. Step 4: Simplify right side
    6,221.49x = 34,177,992.81
  5. Step 5: Solve for x
    x = 34,177,992.81/6,221.49
  6. Step 6: Final answer
    x = 5,493.54

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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.