Home / 7,891.90-11,837.86-2,048.52

Finding the Fourth Proportional to 7,891.90, 11,837.86 and 2,048.52

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Solution

The fourth proportional to 7,891.90, 11,837.86 and 2,048.52 is: 3,072.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,891.90 : 11,837.86 = 2,048.52 : x
  2. Step 2: Convert to fraction form
    7,891.90/11,837.86 = 2,048.52/x
  3. Step 3: Cross multiply
    7,891.90x = 11,837.86 × 2,048.52
  4. Step 4: Simplify right side
    7,891.90x = 24,250,092.97
  5. Step 5: Solve for x
    x = 24,250,092.97/7,891.90
  6. Step 6: Final answer
    x = 3,072.78

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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.