Home / 5,217.11-7,199.94-2,859.25

Finding the Fourth Proportional to 5,217.11, 7,199.94 and 2,859.25

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Solution

The fourth proportional to 5,217.11, 7,199.94 and 2,859.25 is: 3,945.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,217.11 : 7,199.94 = 2,859.25 : x
  2. Step 2: Convert to fraction form
    5,217.11/7,199.94 = 2,859.25/x
  3. Step 3: Cross multiply
    5,217.11x = 7,199.94 × 2,859.25
  4. Step 4: Simplify right side
    5,217.11x = 20,586,418.58
  5. Step 5: Solve for x
    x = 20,586,418.58/5,217.11
  6. Step 6: Final answer
    x = 3,945.94

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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.