Home / 5,100.11-7,633.97-2,756.78

Finding the Fourth Proportional to 5,100.11, 7,633.97 and 2,756.78

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Solution

The fourth proportional to 5,100.11, 7,633.97 and 2,756.78 is: 4,126.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,100.11 : 7,633.97 = 2,756.78 : x
  2. Step 2: Convert to fraction form
    5,100.11/7,633.97 = 2,756.78/x
  3. Step 3: Cross multiply
    5,100.11x = 7,633.97 × 2,756.78
  4. Step 4: Simplify right side
    5,100.11x = 21,045,162.03
  5. Step 5: Solve for x
    x = 21,045,162.03/5,100.11
  6. Step 6: Final answer
    x = 4,126.41

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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.