Home / 7,738.97-11,609.66-2,543.63

Finding the Fourth Proportional to 7,738.97, 11,609.66 and 2,543.63

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Solution

The fourth proportional to 7,738.97, 11,609.66 and 2,543.63 is: 3,815.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,738.97 : 11,609.66 = 2,543.63 : x
  2. Step 2: Convert to fraction form
    7,738.97/11,609.66 = 2,543.63/x
  3. Step 3: Cross multiply
    7,738.97x = 11,609.66 × 2,543.63
  4. Step 4: Simplify right side
    7,738.97x = 29,530,627.78
  5. Step 5: Solve for x
    x = 29,530,627.78/7,738.97
  6. Step 6: Final answer
    x = 3,815.84

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1.5x scale

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.