Home / 5,249.90-7,244.82-3,011.78

Finding the Fourth Proportional to 5,249.90, 7,244.82 and 3,011.78

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Solution

The fourth proportional to 5,249.90, 7,244.82 and 3,011.78 is: 4,156.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,249.90 : 7,244.82 = 3,011.78 : x
  2. Step 2: Convert to fraction form
    5,249.90/7,244.82 = 3,011.78/x
  3. Step 3: Cross multiply
    5,249.90x = 7,244.82 × 3,011.78
  4. Step 4: Simplify right side
    5,249.90x = 21,819,803.98
  5. Step 5: Solve for x
    x = 21,819,803.98/5,249.90
  6. Step 6: Final answer
    x = 4,156.23

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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.