Home / 6,660.46-9,991.92-2,765.17

Finding the Fourth Proportional to 6,660.46, 9,991.92 and 2,765.17

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Solution

The fourth proportional to 6,660.46, 9,991.92 and 2,765.17 is: 4,148.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,660.46 : 9,991.92 = 2,765.17 : x
  2. Step 2: Convert to fraction form
    6,660.46/9,991.92 = 2,765.17/x
  3. Step 3: Cross multiply
    6,660.46x = 9,991.92 × 2,765.17
  4. Step 4: Simplify right side
    6,660.46x = 27,629,357.43
  5. Step 5: Solve for x
    x = 27,629,357.43/6,660.46
  6. Step 6: Final answer
    x = 4,148.27

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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.