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Finding the Fourth Proportional to 5,881, 8,818.22 and 5,189.28

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Solution

The fourth proportional to 5,881, 8,818.22 and 5,189.28 is: 7,781.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,881 : 8,818.22 = 5,189.28 : x
  2. Step 2: Convert to fraction form
    5,881/8,818.22 = 5,189.28/x
  3. Step 3: Cross multiply
    5,881x = 8,818.22 × 5,189.28
  4. Step 4: Simplify right side
    5,881x = 45,760,212.68
  5. Step 5: Solve for x
    x = 45,760,212.68/5,881
  6. Step 6: Final answer
    x = 7,781.03

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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.