Home / 8,213.24-12,326.34-3,828.44

Finding the Fourth Proportional to 8,213.24, 12,326.34 and 3,828.44

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Solution

The fourth proportional to 8,213.24, 12,326.34 and 3,828.44 is: 5,745.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,213.24 : 12,326.34 = 3,828.44 : x
  2. Step 2: Convert to fraction form
    8,213.24/12,326.34 = 3,828.44/x
  3. Step 3: Cross multiply
    8,213.24x = 12,326.34 × 3,828.44
  4. Step 4: Simplify right side
    8,213.24x = 47,190,653.11
  5. Step 5: Solve for x
    x = 47,190,653.11/8,213.24
  6. Step 6: Final answer
    x = 5,745.68

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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.