Home / 5,183.63-7,775.39-2,408.75

Finding the Fourth Proportional to 5,183.63, 7,775.39 and 2,408.75

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Solution

The fourth proportional to 5,183.63, 7,775.39 and 2,408.75 is: 3,613.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,183.63 : 7,775.39 = 2,408.75 : x
  2. Step 2: Convert to fraction form
    5,183.63/7,775.39 = 2,408.75/x
  3. Step 3: Cross multiply
    5,183.63x = 7,775.39 × 2,408.75
  4. Step 4: Simplify right side
    5,183.63x = 18,728,919.74
  5. Step 5: Solve for x
    x = 18,728,919.74/5,183.63
  6. Step 6: Final answer
    x = 3,613.09

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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.