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Finding the Fourth Proportional to 8,168.38, 12,254.40 and 2,622.22

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Solution

The fourth proportional to 8,168.38, 12,254.40 and 2,622.22 is: 3,933.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,168.38 : 12,254.40 = 2,622.22 : x
  2. Step 2: Convert to fraction form
    8,168.38/12,254.40 = 2,622.22/x
  3. Step 3: Cross multiply
    8,168.38x = 12,254.40 × 2,622.22
  4. Step 4: Simplify right side
    8,168.38x = 32,133,732.77
  5. Step 5: Solve for x
    x = 32,133,732.77/8,168.38
  6. Step 6: Final answer
    x = 3,933.92

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.