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Finding the Fourth Proportional to 6,917, 10,373.94 and 2,755.88

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Solution

The fourth proportional to 6,917, 10,373.94 and 2,755.88 is: 4,133.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,917 : 10,373.94 = 2,755.88 : x
  2. Step 2: Convert to fraction form
    6,917/10,373.94 = 2,755.88/x
  3. Step 3: Cross multiply
    6,917x = 10,373.94 × 2,755.88
  4. Step 4: Simplify right side
    6,917x = 28,589,333.77
  5. Step 5: Solve for x
    x = 28,589,333.77/6,917
  6. Step 6: Final answer
    x = 4,133.20

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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.