Home / 7,669.50-11,497.38-2,738.43

Finding the Fourth Proportional to 7,669.50, 11,497.38 and 2,738.43

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Solution

The fourth proportional to 7,669.50, 11,497.38 and 2,738.43 is: 4,105.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,669.50 : 11,497.38 = 2,738.43 : x
  2. Step 2: Convert to fraction form
    7,669.50/11,497.38 = 2,738.43/x
  3. Step 3: Cross multiply
    7,669.50x = 11,497.38 × 2,738.43
  4. Step 4: Simplify right side
    7,669.50x = 31,484,770.31
  5. Step 5: Solve for x
    x = 31,484,770.31/7,669.50
  6. Step 6: Final answer
    x = 4,105.19

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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.