Home / 7,844.31-11,763.97-2,578.10

Finding the Fourth Proportional to 7,844.31, 11,763.97 and 2,578.10

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Solution

The fourth proportional to 7,844.31, 11,763.97 and 2,578.10 is: 3,866.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,844.31 : 11,763.97 = 2,578.10 : x
  2. Step 2: Convert to fraction form
    7,844.31/11,763.97 = 2,578.10/x
  3. Step 3: Cross multiply
    7,844.31x = 11,763.97 × 2,578.10
  4. Step 4: Simplify right side
    7,844.31x = 30,328,678.17
  5. Step 5: Solve for x
    x = 30,328,678.17/7,844.31
  6. Step 6: Final answer
    x = 3,866.33

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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.