Home / 5,461.20-8,185.32-3,270.96

Finding the Fourth Proportional to 5,461.20, 8,185.32 and 3,270.96

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Solution

The fourth proportional to 5,461.20, 8,185.32 and 3,270.96 is: 4,902.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,461.20 : 8,185.32 = 3,270.96 : x
  2. Step 2: Convert to fraction form
    5,461.20/8,185.32 = 3,270.96/x
  3. Step 3: Cross multiply
    5,461.20x = 8,185.32 × 3,270.96
  4. Step 4: Simplify right side
    5,461.20x = 26,773,854.31
  5. Step 5: Solve for x
    x = 26,773,854.31/5,461.20
  6. Step 6: Final answer
    x = 4,902.56

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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.