Home / 6,786.80-10,177.01-2,628.78

Finding the Fourth Proportional to 6,786.80, 10,177.01 and 2,628.78

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Solution

The fourth proportional to 6,786.80, 10,177.01 and 2,628.78 is: 3,941.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,786.80 : 10,177.01 = 2,628.78 : x
  2. Step 2: Convert to fraction form
    6,786.80/10,177.01 = 2,628.78/x
  3. Step 3: Cross multiply
    6,786.80x = 10,177.01 × 2,628.78
  4. Step 4: Simplify right side
    6,786.80x = 26,753,120.35
  5. Step 5: Solve for x
    x = 26,753,120.35/6,786.80
  6. Step 6: Final answer
    x = 3,941.93

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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.