Home / 5,209.57-7,192.98-3,222.85

Finding the Fourth Proportional to 5,209.57, 7,192.98 and 3,222.85

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Solution

The fourth proportional to 5,209.57, 7,192.98 and 3,222.85 is: 4,449.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,209.57 : 7,192.98 = 3,222.85 : x
  2. Step 2: Convert to fraction form
    5,209.57/7,192.98 = 3,222.85/x
  3. Step 3: Cross multiply
    5,209.57x = 7,192.98 × 3,222.85
  4. Step 4: Simplify right side
    5,209.57x = 23,181,895.59
  5. Step 5: Solve for x
    x = 23,181,895.59/5,209.57
  6. Step 6: Final answer
    x = 4,449.87

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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.