Home / 8,072.89-12,109.93-2,229.44

Finding the Fourth Proportional to 8,072.89, 12,109.93 and 2,229.44

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Solution

The fourth proportional to 8,072.89, 12,109.93 and 2,229.44 is: 3,344.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,072.89 : 12,109.93 = 2,229.44 : x
  2. Step 2: Convert to fraction form
    8,072.89/12,109.93 = 2,229.44/x
  3. Step 3: Cross multiply
    8,072.89x = 12,109.93 × 2,229.44
  4. Step 4: Simplify right side
    8,072.89x = 26,998,362.34
  5. Step 5: Solve for x
    x = 26,998,362.34/8,072.89
  6. Step 6: Final answer
    x = 3,344.32

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1.5x scale

Why These Related Problems?

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