Home / 5,414.05-8,124.26-3,439.60

Finding the Fourth Proportional to 5,414.05, 8,124.26 and 3,439.60

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Solution

The fourth proportional to 5,414.05, 8,124.26 and 3,439.60 is: 5,161.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,414.05 : 8,124.26 = 3,439.60 : x
  2. Step 2: Convert to fraction form
    5,414.05/8,124.26 = 3,439.60/x
  3. Step 3: Cross multiply
    5,414.05x = 8,124.26 × 3,439.60
  4. Step 4: Simplify right side
    5,414.05x = 27,944,204.70
  5. Step 5: Solve for x
    x = 27,944,204.70/5,414.05
  6. Step 6: Final answer
    x = 5,161.42

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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.