Home / 5,408.25-8,115.62-2,330.25

Finding the Fourth Proportional to 5,408.25, 8,115.62 and 2,330.25

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Solution

The fourth proportional to 5,408.25, 8,115.62 and 2,330.25 is: 3,496.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,408.25 : 8,115.62 = 2,330.25 : x
  2. Step 2: Convert to fraction form
    5,408.25/8,115.62 = 2,330.25/x
  3. Step 3: Cross multiply
    5,408.25x = 8,115.62 × 2,330.25
  4. Step 4: Simplify right side
    5,408.25x = 18,911,411.85
  5. Step 5: Solve for x
    x = 18,911,411.85/5,408.25
  6. Step 6: Final answer
    x = 3,496.77

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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.