Home / 7,960.60-11,941.38-2,765.80

Finding the Fourth Proportional to 7,960.60, 11,941.38 and 2,765.80

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Solution

The fourth proportional to 7,960.60, 11,941.38 and 2,765.80 is: 4,148.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,960.60 : 11,941.38 = 2,765.80 : x
  2. Step 2: Convert to fraction form
    7,960.60/11,941.38 = 2,765.80/x
  3. Step 3: Cross multiply
    7,960.60x = 11,941.38 × 2,765.80
  4. Step 4: Simplify right side
    7,960.60x = 33,027,468.80
  5. Step 5: Solve for x
    x = 33,027,468.80/7,960.60
  6. Step 6: Final answer
    x = 4,148.87

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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.