Home / 7,983.40-11,974.65-2,436.31

Finding the Fourth Proportional to 7,983.40, 11,974.65 and 2,436.31

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Solution

The fourth proportional to 7,983.40, 11,974.65 and 2,436.31 is: 3,654.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,983.40 : 11,974.65 = 2,436.31 : x
  2. Step 2: Convert to fraction form
    7,983.40/11,974.65 = 2,436.31/x
  3. Step 3: Cross multiply
    7,983.40x = 11,974.65 × 2,436.31
  4. Step 4: Simplify right side
    7,983.40x = 29,173,959.54
  5. Step 5: Solve for x
    x = 29,173,959.54/7,983.40
  6. Step 6: Final answer
    x = 3,654.33

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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.