Home / 7,868.06-11,793.82-3,964.28

Finding the Fourth Proportional to 7,868.06, 11,793.82 and 3,964.28

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Solution

The fourth proportional to 7,868.06, 11,793.82 and 3,964.28 is: 5,942.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,868.06 : 11,793.82 = 3,964.28 : x
  2. Step 2: Convert to fraction form
    7,868.06/11,793.82 = 3,964.28/x
  3. Step 3: Cross multiply
    7,868.06x = 11,793.82 × 3,964.28
  4. Step 4: Simplify right side
    7,868.06x = 46,753,935.87
  5. Step 5: Solve for x
    x = 46,753,935.87/7,868.06
  6. Step 6: Final answer
    x = 5,942.25

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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.