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Finding the Fourth Proportional to 5,876.16, 8,811.48 and 2,755.12

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Solution

The fourth proportional to 5,876.16, 8,811.48 and 2,755.12 is: 4,131.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,876.16 : 8,811.48 = 2,755.12 : x
  2. Step 2: Convert to fraction form
    5,876.16/8,811.48 = 2,755.12/x
  3. Step 3: Cross multiply
    5,876.16x = 8,811.48 × 2,755.12
  4. Step 4: Simplify right side
    5,876.16x = 24,276,684.78
  5. Step 5: Solve for x
    x = 24,276,684.78/5,876.16
  6. Step 6: Final answer
    x = 4,131.39

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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.