Home / 4,751.29-7,131.94-3,883.78

Finding the Fourth Proportional to 4,751.29, 7,131.94 and 3,883.78

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Solution

The fourth proportional to 4,751.29, 7,131.94 and 3,883.78 is: 5,829.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,751.29 : 7,131.94 = 3,883.78 : x
  2. Step 2: Convert to fraction form
    4,751.29/7,131.94 = 3,883.78/x
  3. Step 3: Cross multiply
    4,751.29x = 7,131.94 × 3,883.78
  4. Step 4: Simplify right side
    4,751.29x = 27,698,850.27
  5. Step 5: Solve for x
    x = 27,698,850.27/4,751.29
  6. Step 6: Final answer
    x = 5,829.76

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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.