Home / 7,222.94-10,832.85-4,218.97

Finding the Fourth Proportional to 7,222.94, 10,832.85 and 4,218.97

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Solution

The fourth proportional to 7,222.94, 10,832.85 and 4,218.97 is: 6,327.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,222.94 : 10,832.85 = 4,218.97 : x
  2. Step 2: Convert to fraction form
    7,222.94/10,832.85 = 4,218.97/x
  3. Step 3: Cross multiply
    7,222.94x = 10,832.85 × 4,218.97
  4. Step 4: Simplify right side
    7,222.94x = 45,703,469.16
  5. Step 5: Solve for x
    x = 45,703,469.16/7,222.94
  6. Step 6: Final answer
    x = 6,327.54

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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.