Home / 6,800.76-10,195.92-2,640.15

Finding the Fourth Proportional to 6,800.76, 10,195.92 and 2,640.15

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Solution

The fourth proportional to 6,800.76, 10,195.92 and 2,640.15 is: 3,958.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,800.76 : 10,195.92 = 2,640.15 : x
  2. Step 2: Convert to fraction form
    6,800.76/10,195.92 = 2,640.15/x
  3. Step 3: Cross multiply
    6,800.76x = 10,195.92 × 2,640.15
  4. Step 4: Simplify right side
    6,800.76x = 26,918,758.19
  5. Step 5: Solve for x
    x = 26,918,758.19/6,800.76
  6. Step 6: Final answer
    x = 3,958.20

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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.