Home / 6,778.80-10,167.23-2,620.76

Finding the Fourth Proportional to 6,778.80, 10,167.23 and 2,620.76

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Solution

The fourth proportional to 6,778.80, 10,167.23 and 2,620.76 is: 3,930.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,778.80 : 10,167.23 = 2,620.76 : x
  2. Step 2: Convert to fraction form
    6,778.80/10,167.23 = 2,620.76/x
  3. Step 3: Cross multiply
    6,778.80x = 10,167.23 × 2,620.76
  4. Step 4: Simplify right side
    6,778.80x = 26,645,901.66
  5. Step 5: Solve for x
    x = 26,645,901.66/6,778.80
  6. Step 6: Final answer
    x = 3,930.77

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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.