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Finding the Fourth Proportional to 5,522.31, 7,621.81 and 3,164.46

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Solution

The fourth proportional to 5,522.31, 7,621.81 and 3,164.46 is: 4,367.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,522.31 : 7,621.81 = 3,164.46 : x
  2. Step 2: Convert to fraction form
    5,522.31/7,621.81 = 3,164.46/x
  3. Step 3: Cross multiply
    5,522.31x = 7,621.81 × 3,164.46
  4. Step 4: Simplify right side
    5,522.31x = 24,118,912.87
  5. Step 5: Solve for x
    x = 24,118,912.87/5,522.31
  6. Step 6: Final answer
    x = 4,367.54

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