Home / 6,764.15-9,334.37-3,780.56

Finding the Fourth Proportional to 6,764.15, 9,334.37 and 3,780.56

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Solution

The fourth proportional to 6,764.15, 9,334.37 and 3,780.56 is: 5,217.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,764.15 : 9,334.37 = 3,780.56 : x
  2. Step 2: Convert to fraction form
    6,764.15/9,334.37 = 3,780.56/x
  3. Step 3: Cross multiply
    6,764.15x = 9,334.37 × 3,780.56
  4. Step 4: Simplify right side
    6,764.15x = 35,289,163.33
  5. Step 5: Solve for x
    x = 35,289,163.33/6,764.15
  6. Step 6: Final answer
    x = 5,217.09

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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.