Home / 7,950.89-11,924.99-2,108.09

Finding the Fourth Proportional to 7,950.89, 11,924.99 and 2,108.09

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Solution

The fourth proportional to 7,950.89, 11,924.99 and 2,108.09 is: 3,161.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,950.89 : 11,924.99 = 2,108.09 : x
  2. Step 2: Convert to fraction form
    7,950.89/11,924.99 = 2,108.09/x
  3. Step 3: Cross multiply
    7,950.89x = 11,924.99 × 2,108.09
  4. Step 4: Simplify right side
    7,950.89x = 25,138,979.35
  5. Step 5: Solve for x
    x = 25,138,979.35/7,950.89
  6. Step 6: Final answer
    x = 3,161.78

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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.