Home / 5,408.24-8,112.62-2,288.39

Finding the Fourth Proportional to 5,408.24, 8,112.62 and 2,288.39

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Solution

The fourth proportional to 5,408.24, 8,112.62 and 2,288.39 is: 3,432.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,408.24 : 8,112.62 = 2,288.39 : x
  2. Step 2: Convert to fraction form
    5,408.24/8,112.62 = 2,288.39/x
  3. Step 3: Cross multiply
    5,408.24x = 8,112.62 × 2,288.39
  4. Step 4: Simplify right side
    5,408.24x = 18,564,803.64
  5. Step 5: Solve for x
    x = 18,564,803.64/5,408.24
  6. Step 6: Final answer
    x = 3,432.69

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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.