Home / 7,988.52-11,983.32-3,829.44

Finding the Fourth Proportional to 7,988.52, 11,983.32 and 3,829.44

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Solution

The fourth proportional to 7,988.52, 11,983.32 and 3,829.44 is: 5,744.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,988.52 : 11,983.32 = 3,829.44 : x
  2. Step 2: Convert to fraction form
    7,988.52/11,983.32 = 3,829.44/x
  3. Step 3: Cross multiply
    7,988.52x = 11,983.32 × 3,829.44
  4. Step 4: Simplify right side
    7,988.52x = 45,889,404.94
  5. Step 5: Solve for x
    x = 45,889,404.94/7,988.52
  6. Step 6: Final answer
    x = 5,744.42

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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.