Home / 7,924.68-11,881.98-2,729.52

Finding the Fourth Proportional to 7,924.68, 11,881.98 and 2,729.52

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Solution

The fourth proportional to 7,924.68, 11,881.98 and 2,729.52 is: 4,092.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,924.68 : 11,881.98 = 2,729.52 : x
  2. Step 2: Convert to fraction form
    7,924.68/11,881.98 = 2,729.52/x
  3. Step 3: Cross multiply
    7,924.68x = 11,881.98 × 2,729.52
  4. Step 4: Simplify right side
    7,924.68x = 32,432,102.05
  5. Step 5: Solve for x
    x = 32,432,102.05/7,924.68
  6. Step 6: Final answer
    x = 4,092.54

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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.