Home / 7,974.88-11,966.72-3,293.80

Finding the Fourth Proportional to 7,974.88, 11,966.72 and 3,293.80

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Solution

The fourth proportional to 7,974.88, 11,966.72 and 3,293.80 is: 4,942.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,974.88 : 11,966.72 = 3,293.80 : x
  2. Step 2: Convert to fraction form
    7,974.88/11,966.72 = 3,293.80/x
  3. Step 3: Cross multiply
    7,974.88x = 11,966.72 × 3,293.80
  4. Step 4: Simplify right side
    7,974.88x = 39,415,922.50
  5. Step 5: Solve for x
    x = 39,415,922.50/7,974.88
  6. Step 6: Final answer
    x = 4,942.51

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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.