Home / 6,220.38-9,321.53-3,992.22

Finding the Fourth Proportional to 6,220.38, 9,321.53 and 3,992.22

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Solution

The fourth proportional to 6,220.38, 9,321.53 and 3,992.22 is: 5,982.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,220.38 : 9,321.53 = 3,992.22 : x
  2. Step 2: Convert to fraction form
    6,220.38/9,321.53 = 3,992.22/x
  3. Step 3: Cross multiply
    6,220.38x = 9,321.53 × 3,992.22
  4. Step 4: Simplify right side
    6,220.38x = 37,213,598.50
  5. Step 5: Solve for x
    x = 37,213,598.50/6,220.38
  6. Step 6: Final answer
    x = 5,982.53

Related Problems

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Half scale
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Double scale
Find fourth proportional to 6,221.38, 9,323.03 and 3,993.22
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.