Home / 7,540.74-11,309.49-2,609.46

Finding the Fourth Proportional to 7,540.74, 11,309.49 and 2,609.46

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Solution

The fourth proportional to 7,540.74, 11,309.49 and 2,609.46 is: 3,913.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,540.74 : 11,309.49 = 2,609.46 : x
  2. Step 2: Convert to fraction form
    7,540.74/11,309.49 = 2,609.46/x
  3. Step 3: Cross multiply
    7,540.74x = 11,309.49 × 2,609.46
  4. Step 4: Simplify right side
    7,540.74x = 29,511,661.78
  5. Step 5: Solve for x
    x = 29,511,661.78/7,540.74
  6. Step 6: Final answer
    x = 3,913.63

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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.