Home / 7,431.26-11,139.91-2,497.44

Finding the Fourth Proportional to 7,431.26, 11,139.91 and 2,497.44

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Solution

The fourth proportional to 7,431.26, 11,139.91 and 2,497.44 is: 3,743.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,431.26 : 11,139.91 = 2,497.44 : x
  2. Step 2: Convert to fraction form
    7,431.26/11,139.91 = 2,497.44/x
  3. Step 3: Cross multiply
    7,431.26x = 11,139.91 × 2,497.44
  4. Step 4: Simplify right side
    7,431.26x = 27,821,250.59
  5. Step 5: Solve for x
    x = 27,821,250.59/7,431.26
  6. Step 6: Final answer
    x = 3,743.81

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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.