Home / 7,936.96-11,907.17-2,389.88

Finding the Fourth Proportional to 7,936.96, 11,907.17 and 2,389.88

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Solution

The fourth proportional to 7,936.96, 11,907.17 and 2,389.88 is: 3,585.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,936.96 : 11,907.17 = 2,389.88 : x
  2. Step 2: Convert to fraction form
    7,936.96/11,907.17 = 2,389.88/x
  3. Step 3: Cross multiply
    7,936.96x = 11,907.17 × 2,389.88
  4. Step 4: Simplify right side
    7,936.96x = 28,456,707.44
  5. Step 5: Solve for x
    x = 28,456,707.44/7,936.96
  6. Step 6: Final answer
    x = 3,585.34

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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.