Home / 5,921.95-8,172.21-3,269.31

Finding the Fourth Proportional to 5,921.95, 8,172.21 and 3,269.31

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Solution

The fourth proportional to 5,921.95, 8,172.21 and 3,269.31 is: 4,511.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,921.95 : 8,172.21 = 3,269.31 : x
  2. Step 2: Convert to fraction form
    5,921.95/8,172.21 = 3,269.31/x
  3. Step 3: Cross multiply
    5,921.95x = 8,172.21 × 3,269.31
  4. Step 4: Simplify right side
    5,921.95x = 26,717,487.88
  5. Step 5: Solve for x
    x = 26,717,487.88/5,921.95
  6. Step 6: Final answer
    x = 4,511.60

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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.