Home / 4,786.67-7,172.66-3,220.88

Finding the Fourth Proportional to 4,786.67, 7,172.66 and 3,220.88

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Solution

The fourth proportional to 4,786.67, 7,172.66 and 3,220.88 is: 4,826.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,786.67 : 7,172.66 = 3,220.88 : x
  2. Step 2: Convert to fraction form
    4,786.67/7,172.66 = 3,220.88/x
  3. Step 3: Cross multiply
    4,786.67x = 7,172.66 × 3,220.88
  4. Step 4: Simplify right side
    4,786.67x = 23,102,249.33
  5. Step 5: Solve for x
    x = 23,102,249.33/4,786.67
  6. Step 6: Final answer
    x = 4,826.38

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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.