Home / 6,891.59-10,331.22-2,505.95

Finding the Fourth Proportional to 6,891.59, 10,331.22 and 2,505.95

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Solution

The fourth proportional to 6,891.59, 10,331.22 and 2,505.95 is: 3,756.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,891.59 : 10,331.22 = 2,505.95 : x
  2. Step 2: Convert to fraction form
    6,891.59/10,331.22 = 2,505.95/x
  3. Step 3: Cross multiply
    6,891.59x = 10,331.22 × 2,505.95
  4. Step 4: Simplify right side
    6,891.59x = 25,889,546.59
  5. Step 5: Solve for x
    x = 25,889,546.59/6,891.59
  6. Step 6: Final answer
    x = 3,756.69

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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.