Home / 7,882.98-11,825.87-2,618.31

Finding the Fourth Proportional to 7,882.98, 11,825.87 and 2,618.31

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Solution

The fourth proportional to 7,882.98, 11,825.87 and 2,618.31 is: 3,927.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,882.98 : 11,825.87 = 2,618.31 : x
  2. Step 2: Convert to fraction form
    7,882.98/11,825.87 = 2,618.31/x
  3. Step 3: Cross multiply
    7,882.98x = 11,825.87 × 2,618.31
  4. Step 4: Simplify right side
    7,882.98x = 30,963,780.59
  5. Step 5: Solve for x
    x = 30,963,780.59/7,882.98
  6. Step 6: Final answer
    x = 3,927.93

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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.