Home / 7,177.80-10,766.56-2,960.14

Finding the Fourth Proportional to 7,177.80, 10,766.56 and 2,960.14

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Solution

The fourth proportional to 7,177.80, 10,766.56 and 2,960.14 is: 4,440.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,177.80 : 10,766.56 = 2,960.14 : x
  2. Step 2: Convert to fraction form
    7,177.80/10,766.56 = 2,960.14/x
  3. Step 3: Cross multiply
    7,177.80x = 10,766.56 × 2,960.14
  4. Step 4: Simplify right side
    7,177.80x = 31,870,524.92
  5. Step 5: Solve for x
    x = 31,870,524.92/7,177.80
  6. Step 6: Final answer
    x = 4,440.15

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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.