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Finding the Fourth Proportional to 8,125.41, 12,192.15 and 3,745.95

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Solution

The fourth proportional to 8,125.41, 12,192.15 and 3,745.95 is: 5,620.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,125.41 : 12,192.15 = 3,745.95 : x
  2. Step 2: Convert to fraction form
    8,125.41/12,192.15 = 3,745.95/x
  3. Step 3: Cross multiply
    8,125.41x = 12,192.15 × 3,745.95
  4. Step 4: Simplify right side
    8,125.41x = 45,671,184.29
  5. Step 5: Solve for x
    x = 45,671,184.29/8,125.41
  6. Step 6: Final answer
    x = 5,620.79

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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.