Home / 4,876.26-7,310.55-1,755.78

Finding the Fourth Proportional to 4,876.26, 7,310.55 and 1,755.78

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Solution

The fourth proportional to 4,876.26, 7,310.55 and 1,755.78 is: 2,632.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,876.26 : 7,310.55 = 1,755.78 : x
  2. Step 2: Convert to fraction form
    4,876.26/7,310.55 = 1,755.78/x
  3. Step 3: Cross multiply
    4,876.26x = 7,310.55 × 1,755.78
  4. Step 4: Simplify right side
    4,876.26x = 12,835,717.48
  5. Step 5: Solve for x
    x = 12,835,717.48/4,876.26
  6. Step 6: Final answer
    x = 2,632.29

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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.