Home / 5,081.75-7,013.31-3,194.75

Finding the Fourth Proportional to 5,081.75, 7,013.31 and 3,194.75

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Solution

The fourth proportional to 5,081.75, 7,013.31 and 3,194.75 is: 4,409.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,081.75 : 7,013.31 = 3,194.75 : x
  2. Step 2: Convert to fraction form
    5,081.75/7,013.31 = 3,194.75/x
  3. Step 3: Cross multiply
    5,081.75x = 7,013.31 × 3,194.75
  4. Step 4: Simplify right side
    5,081.75x = 22,405,772.12
  5. Step 5: Solve for x
    x = 22,405,772.12/5,081.75
  6. Step 6: Final answer
    x = 4,409.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.