Home / 6,891.14-10,334.72-2,507.78

Finding the Fourth Proportional to 6,891.14, 10,334.72 and 2,507.78

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Solution

The fourth proportional to 6,891.14, 10,334.72 and 2,507.78 is: 3,760.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,891.14 : 10,334.72 = 2,507.78 : x
  2. Step 2: Convert to fraction form
    6,891.14/10,334.72 = 2,507.78/x
  3. Step 3: Cross multiply
    6,891.14x = 10,334.72 × 2,507.78
  4. Step 4: Simplify right side
    6,891.14x = 25,917,204.12
  5. Step 5: Solve for x
    x = 25,917,204.12/6,891.14
  6. Step 6: Final answer
    x = 3,760.95

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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.