Home / 7,891.17-11,837.27-2,625.97

Finding the Fourth Proportional to 7,891.17, 11,837.27 and 2,625.97

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Solution

The fourth proportional to 7,891.17, 11,837.27 and 2,625.97 is: 3,939.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,891.17 : 11,837.27 = 2,625.97 : x
  2. Step 2: Convert to fraction form
    7,891.17/11,837.27 = 2,625.97/x
  3. Step 3: Cross multiply
    7,891.17x = 11,837.27 × 2,625.97
  4. Step 4: Simplify right side
    7,891.17x = 31,084,315.90
  5. Step 5: Solve for x
    x = 31,084,315.90/7,891.17
  6. Step 6: Final answer
    x = 3,939.13

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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.