Home / 5,605.05-8,396.64-3,408.33

Finding the Fourth Proportional to 5,605.05, 8,396.64 and 3,408.33

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Solution

The fourth proportional to 5,605.05, 8,396.64 and 3,408.33 is: 5,105.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,605.05 : 8,396.64 = 3,408.33 : x
  2. Step 2: Convert to fraction form
    5,605.05/8,396.64 = 3,408.33/x
  3. Step 3: Cross multiply
    5,605.05x = 8,396.64 × 3,408.33
  4. Step 4: Simplify right side
    5,605.05x = 28,618,520.01
  5. Step 5: Solve for x
    x = 28,618,520.01/5,605.05
  6. Step 6: Final answer
    x = 5,105.85

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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.