Home / 7,982.80-11,974.20-6,233.20

Finding the Fourth Proportional to 7,982.80, 11,974.20 and 6,233.20

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Solution

The fourth proportional to 7,982.80, 11,974.20 and 6,233.20 is: 9,349.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,982.80 : 11,974.20 = 6,233.20 : x
  2. Step 2: Convert to fraction form
    7,982.80/11,974.20 = 6,233.20/x
  3. Step 3: Cross multiply
    7,982.80x = 11,974.20 × 6,233.20
  4. Step 4: Simplify right side
    7,982.80x = 74,637,583.44
  5. Step 5: Solve for x
    x = 74,637,583.44/7,982.80
  6. Step 6: Final answer
    x = 9,349.80

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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.