Home / 7,938.43-11,911.69-3,262.03

Finding the Fourth Proportional to 7,938.43, 11,911.69 and 3,262.03

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Solution

The fourth proportional to 7,938.43, 11,911.69 and 3,262.03 is: 4,894.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,938.43 : 11,911.69 = 3,262.03 : x
  2. Step 2: Convert to fraction form
    7,938.43/11,911.69 = 3,262.03/x
  3. Step 3: Cross multiply
    7,938.43x = 11,911.69 × 3,262.03
  4. Step 4: Simplify right side
    7,938.43x = 38,856,290.13
  5. Step 5: Solve for x
    x = 38,856,290.13/7,938.43
  6. Step 6: Final answer
    x = 4,894.71

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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.