Home / 7,081.44-9,772.83-3,937.56

Finding the Fourth Proportional to 7,081.44, 9,772.83 and 3,937.56

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Solution

The fourth proportional to 7,081.44, 9,772.83 and 3,937.56 is: 5,434.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,081.44 : 9,772.83 = 3,937.56 : x
  2. Step 2: Convert to fraction form
    7,081.44/9,772.83 = 3,937.56/x
  3. Step 3: Cross multiply
    7,081.44x = 9,772.83 × 3,937.56
  4. Step 4: Simplify right side
    7,081.44x = 38,481,104.49
  5. Step 5: Solve for x
    x = 38,481,104.49/7,081.44
  6. Step 6: Final answer
    x = 5,434.08

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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.