Home / 5,408.23-8,115.55-2,288.07

Finding the Fourth Proportional to 5,408.23, 8,115.55 and 2,288.07

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Solution

The fourth proportional to 5,408.23, 8,115.55 and 2,288.07 is: 3,433.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,408.23 : 8,115.55 = 2,288.07 : x
  2. Step 2: Convert to fraction form
    5,408.23/8,115.55 = 2,288.07/x
  3. Step 3: Cross multiply
    5,408.23x = 8,115.55 × 2,288.07
  4. Step 4: Simplify right side
    5,408.23x = 18,568,946.49
  5. Step 5: Solve for x
    x = 18,568,946.49/5,408.23
  6. Step 6: Final answer
    x = 3,433.46

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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.