Home / 5,197.27-7,180.07-3,408.99

Finding the Fourth Proportional to 5,197.27, 7,180.07 and 3,408.99

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Solution

The fourth proportional to 5,197.27, 7,180.07 and 3,408.99 is: 4,709.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,197.27 : 7,180.07 = 3,408.99 : x
  2. Step 2: Convert to fraction form
    5,197.27/7,180.07 = 3,408.99/x
  3. Step 3: Cross multiply
    5,197.27x = 7,180.07 × 3,408.99
  4. Step 4: Simplify right side
    5,197.27x = 24,476,813.30
  5. Step 5: Solve for x
    x = 24,476,813.30/5,197.27
  6. Step 6: Final answer
    x = 4,709.55

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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.