Home / 5,249.88-7,244.40-2,891.94

Finding the Fourth Proportional to 5,249.88, 7,244.40 and 2,891.94

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Solution

The fourth proportional to 5,249.88, 7,244.40 and 2,891.94 is: 3,990.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,249.88 : 7,244.40 = 2,891.94 : x
  2. Step 2: Convert to fraction form
    5,249.88/7,244.40 = 2,891.94/x
  3. Step 3: Cross multiply
    5,249.88x = 7,244.40 × 2,891.94
  4. Step 4: Simplify right side
    5,249.88x = 20,950,370.14
  5. Step 5: Solve for x
    x = 20,950,370.14/5,249.88
  6. Step 6: Final answer
    x = 3,990.64

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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.