Home / 6,866.78-10,297.13-2,185.92

Finding the Fourth Proportional to 6,866.78, 10,297.13 and 2,185.92

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Solution

The fourth proportional to 6,866.78, 10,297.13 and 2,185.92 is: 3,277.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,866.78 : 10,297.13 = 2,185.92 : x
  2. Step 2: Convert to fraction form
    6,866.78/10,297.13 = 2,185.92/x
  3. Step 3: Cross multiply
    6,866.78x = 10,297.13 × 2,185.92
  4. Step 4: Simplify right side
    6,866.78x = 22,508,691.48
  5. Step 5: Solve for x
    x = 22,508,691.48/6,866.78
  6. Step 6: Final answer
    x = 3,277.91

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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.