Home / 7,669.35-11,505.56-2,738.87

Finding the Fourth Proportional to 7,669.35, 11,505.56 and 2,738.87

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Solution

The fourth proportional to 7,669.35, 11,505.56 and 2,738.87 is: 4,108.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,669.35 : 11,505.56 = 2,738.87 : x
  2. Step 2: Convert to fraction form
    7,669.35/11,505.56 = 2,738.87/x
  3. Step 3: Cross multiply
    7,669.35x = 11,505.56 × 2,738.87
  4. Step 4: Simplify right side
    7,669.35x = 31,512,182.44
  5. Step 5: Solve for x
    x = 31,512,182.44/7,669.35
  6. Step 6: Final answer
    x = 4,108.85

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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.