Home / 6,920.82-9,550.76-3,777.06

Finding the Fourth Proportional to 6,920.82, 9,550.76 and 3,777.06

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Solution

The fourth proportional to 6,920.82, 9,550.76 and 3,777.06 is: 5,212.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,920.82 : 9,550.76 = 3,777.06 : x
  2. Step 2: Convert to fraction form
    6,920.82/9,550.76 = 3,777.06/x
  3. Step 3: Cross multiply
    6,920.82x = 9,550.76 × 3,777.06
  4. Step 4: Simplify right side
    6,920.82x = 36,073,793.57
  5. Step 5: Solve for x
    x = 36,073,793.57/6,920.82
  6. Step 6: Final answer
    x = 5,212.36

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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.