Home / 8,220.08-12,331.92-2,673.44

Finding the Fourth Proportional to 8,220.08, 12,331.92 and 2,673.44

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Solution

The fourth proportional to 8,220.08, 12,331.92 and 2,673.44 is: 4,010.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,220.08 : 12,331.92 = 2,673.44 : x
  2. Step 2: Convert to fraction form
    8,220.08/12,331.92 = 2,673.44/x
  3. Step 3: Cross multiply
    8,220.08x = 12,331.92 × 2,673.44
  4. Step 4: Simplify right side
    8,220.08x = 32,968,648.20
  5. Step 5: Solve for x
    x = 32,968,648.20/8,220.08
  6. Step 6: Final answer
    x = 4,010.75

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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.