Home / 7,943.97-11,920.67-3,017.76

Finding the Fourth Proportional to 7,943.97, 11,920.67 and 3,017.76

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Solution

The fourth proportional to 7,943.97, 11,920.67 and 3,017.76 is: 4,528.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,943.97 : 11,920.67 = 3,017.76 : x
  2. Step 2: Convert to fraction form
    7,943.97/11,920.67 = 3,017.76/x
  3. Step 3: Cross multiply
    7,943.97x = 11,920.67 × 3,017.76
  4. Step 4: Simplify right side
    7,943.97x = 35,973,672.62
  5. Step 5: Solve for x
    x = 35,973,672.62/7,943.97
  6. Step 6: Final answer
    x = 4,528.42

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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.