Home / 7,983.97-11,974.03-3,539.19

Finding the Fourth Proportional to 7,983.97, 11,974.03 and 3,539.19

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Solution

The fourth proportional to 7,983.97, 11,974.03 and 3,539.19 is: 5,307.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,983.97 : 11,974.03 = 3,539.19 : x
  2. Step 2: Convert to fraction form
    7,983.97/11,974.03 = 3,539.19/x
  3. Step 3: Cross multiply
    7,983.97x = 11,974.03 × 3,539.19
  4. Step 4: Simplify right side
    7,983.97x = 42,378,403.29
  5. Step 5: Solve for x
    x = 42,378,403.29/7,983.97
  6. Step 6: Final answer
    x = 5,307.94

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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.