Home / 8,072.96-12,110.12-3,394.32

Finding the Fourth Proportional to 8,072.96, 12,110.12 and 3,394.32

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Solution

The fourth proportional to 8,072.96, 12,110.12 and 3,394.32 is: 5,091.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,072.96 : 12,110.12 = 3,394.32 : x
  2. Step 2: Convert to fraction form
    8,072.96/12,110.12 = 3,394.32/x
  3. Step 3: Cross multiply
    8,072.96x = 12,110.12 × 3,394.32
  4. Step 4: Simplify right side
    8,072.96x = 41,105,622.52
  5. Step 5: Solve for x
    x = 41,105,622.52/8,072.96
  6. Step 6: Final answer
    x = 5,091.77

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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.