Home / 7,177.24-10,768.92-2,797.78

Finding the Fourth Proportional to 7,177.24, 10,768.92 and 2,797.78

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Solution

The fourth proportional to 7,177.24, 10,768.92 and 2,797.78 is: 4,197.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,177.24 : 10,768.92 = 2,797.78 : x
  2. Step 2: Convert to fraction form
    7,177.24/10,768.92 = 2,797.78/x
  3. Step 3: Cross multiply
    7,177.24x = 10,768.92 × 2,797.78
  4. Step 4: Simplify right side
    7,177.24x = 30,129,069.00
  5. Step 5: Solve for x
    x = 30,129,069.00/7,177.24
  6. Step 6: Final answer
    x = 4,197.86

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1.5x scale

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.