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Finding the Fourth Proportional to 5,921.88, 8,891.01 and 3,002.22

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Solution

The fourth proportional to 5,921.88, 8,891.01 and 3,002.22 is: 4,507.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,921.88 : 8,891.01 = 3,002.22 : x
  2. Step 2: Convert to fraction form
    5,921.88/8,891.01 = 3,002.22/x
  3. Step 3: Cross multiply
    5,921.88x = 8,891.01 × 3,002.22
  4. Step 4: Simplify right side
    5,921.88x = 26,692,768.04
  5. Step 5: Solve for x
    x = 26,692,768.04/5,921.88
  6. Step 6: Final answer
    x = 4,507.48

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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.