Home / 5,921.88-8,172.24-3,269.28

Finding the Fourth Proportional to 5,921.88, 8,172.24 and 3,269.28

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Solution

The fourth proportional to 5,921.88, 8,172.24 and 3,269.28 is: 4,511.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,921.88 : 8,172.24 = 3,269.28 : x
  2. Step 2: Convert to fraction form
    5,921.88/8,172.24 = 3,269.28/x
  3. Step 3: Cross multiply
    5,921.88x = 8,172.24 × 3,269.28
  4. Step 4: Simplify right side
    5,921.88x = 26,717,340.79
  5. Step 5: Solve for x
    x = 26,717,340.79/5,921.88
  6. Step 6: Final answer
    x = 4,511.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.