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Finding the Fourth Proportional to 9,352.79, 12,906.84 and 5,161.04

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Solution

The fourth proportional to 9,352.79, 12,906.84 and 5,161.04 is: 7,122.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,352.79 : 12,906.84 = 5,161.04 : x
  2. Step 2: Convert to fraction form
    9,352.79/12,906.84 = 5,161.04/x
  3. Step 3: Cross multiply
    9,352.79x = 12,906.84 × 5,161.04
  4. Step 4: Simplify right side
    9,352.79x = 66,612,652.98
  5. Step 5: Solve for x
    x = 66,612,652.98/9,352.79
  6. Step 6: Final answer
    x = 7,122.23

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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.