Home / 6,800.68-10,202.64-2,640.79

Finding the Fourth Proportional to 6,800.68, 10,202.64 and 2,640.79

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Solution

The fourth proportional to 6,800.68, 10,202.64 and 2,640.79 is: 3,961.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,800.68 : 10,202.64 = 2,640.79 : x
  2. Step 2: Convert to fraction form
    6,800.68/10,202.64 = 2,640.79/x
  3. Step 3: Cross multiply
    6,800.68x = 10,202.64 × 2,640.79
  4. Step 4: Simplify right side
    6,800.68x = 26,943,029.69
  5. Step 5: Solve for x
    x = 26,943,029.69/6,800.68
  6. Step 6: Final answer
    x = 3,961.81

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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.