Home / 5,249.03-7,243.71-2,891.18

Finding the Fourth Proportional to 5,249.03, 7,243.71 and 2,891.18

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Solution

The fourth proportional to 5,249.03, 7,243.71 and 2,891.18 is: 3,989.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,249.03 : 7,243.71 = 2,891.18 : x
  2. Step 2: Convert to fraction form
    5,249.03/7,243.71 = 2,891.18/x
  3. Step 3: Cross multiply
    5,249.03x = 7,243.71 × 2,891.18
  4. Step 4: Simplify right side
    5,249.03x = 20,942,869.48
  5. Step 5: Solve for x
    x = 20,942,869.48/5,249.03
  6. Step 6: Final answer
    x = 3,989.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.