Home / 8,072.22-12,104.55-3,391.23

Finding the Fourth Proportional to 8,072.22, 12,104.55 and 3,391.23

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Solution

The fourth proportional to 8,072.22, 12,104.55 and 3,391.23 is: 5,085.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,072.22 : 12,104.55 = 3,391.23 : x
  2. Step 2: Convert to fraction form
    8,072.22/12,104.55 = 3,391.23/x
  3. Step 3: Cross multiply
    8,072.22x = 12,104.55 × 3,391.23
  4. Step 4: Simplify right side
    8,072.22x = 41,049,313.10
  5. Step 5: Solve for x
    x = 41,049,313.10/8,072.22
  6. Step 6: Final answer
    x = 5,085.26

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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.