Home / 5,447.98-8,172.24-3,270.70

Finding the Fourth Proportional to 5,447.98, 8,172.24 and 3,270.70

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Solution

The fourth proportional to 5,447.98, 8,172.24 and 3,270.70 is: 4,906.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,447.98 : 8,172.24 = 3,270.70 : x
  2. Step 2: Convert to fraction form
    5,447.98/8,172.24 = 3,270.70/x
  3. Step 3: Cross multiply
    5,447.98x = 8,172.24 × 3,270.70
  4. Step 4: Simplify right side
    5,447.98x = 26,728,945.37
  5. Step 5: Solve for x
    x = 26,728,945.37/5,447.98
  6. Step 6: Final answer
    x = 4,906.21

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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.