Home / 7,661.33-11,494.24-2,731.37

Finding the Fourth Proportional to 7,661.33, 11,494.24 and 2,731.37

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Solution

The fourth proportional to 7,661.33, 11,494.24 and 2,731.37 is: 4,097.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,661.33 : 11,494.24 = 2,731.37 : x
  2. Step 2: Convert to fraction form
    7,661.33/11,494.24 = 2,731.37/x
  3. Step 3: Cross multiply
    7,661.33x = 11,494.24 × 2,731.37
  4. Step 4: Simplify right side
    7,661.33x = 31,395,022.66
  5. Step 5: Solve for x
    x = 31,395,022.66/7,661.33
  6. Step 6: Final answer
    x = 4,097.85

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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.