Home / 7,982.80-11,976.14-2,436.24

Finding the Fourth Proportional to 7,982.80, 11,976.14 and 2,436.24

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Solution

The fourth proportional to 7,982.80, 11,976.14 and 2,436.24 is: 3,654.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,982.80 : 11,976.14 = 2,436.24 : x
  2. Step 2: Convert to fraction form
    7,982.80/11,976.14 = 2,436.24/x
  3. Step 3: Cross multiply
    7,982.80x = 11,976.14 × 2,436.24
  4. Step 4: Simplify right side
    7,982.80x = 29,176,739.13
  5. Step 5: Solve for x
    x = 29,176,739.13/7,982.80
  6. Step 6: Final answer
    x = 3,654.95

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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.