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Finding the Fourth Proportional to 6,917.03, 10,375.56 and 1,722.90

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Solution

The fourth proportional to 6,917.03, 10,375.56 and 1,722.90 is: 2,584.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,917.03 : 10,375.56 = 1,722.90 : x
  2. Step 2: Convert to fraction form
    6,917.03/10,375.56 = 1,722.90/x
  3. Step 3: Cross multiply
    6,917.03x = 10,375.56 × 1,722.90
  4. Step 4: Simplify right side
    6,917.03x = 17,876,052.32
  5. Step 5: Solve for x
    x = 17,876,052.32/6,917.03
  6. Step 6: Final answer
    x = 2,584.36

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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.