Home / 7,938.44-11,906.04-2,745.80

Finding the Fourth Proportional to 7,938.44, 11,906.04 and 2,745.80

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Solution

The fourth proportional to 7,938.44, 11,906.04 and 2,745.80 is: 4,118.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,938.44 : 11,906.04 = 2,745.80 : x
  2. Step 2: Convert to fraction form
    7,938.44/11,906.04 = 2,745.80/x
  3. Step 3: Cross multiply
    7,938.44x = 11,906.04 × 2,745.80
  4. Step 4: Simplify right side
    7,938.44x = 32,691,604.63
  5. Step 5: Solve for x
    x = 32,691,604.63/7,938.44
  6. Step 6: Final answer
    x = 4,118.14

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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.