Home / 5,591.26-8,388.78-3,512.80

Finding the Fourth Proportional to 5,591.26, 8,388.78 and 3,512.80

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Solution

The fourth proportional to 5,591.26, 8,388.78 and 3,512.80 is: 5,270.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,591.26 : 8,388.78 = 3,512.80 : x
  2. Step 2: Convert to fraction form
    5,591.26/8,388.78 = 3,512.80/x
  3. Step 3: Cross multiply
    5,591.26x = 8,388.78 × 3,512.80
  4. Step 4: Simplify right side
    5,591.26x = 29,468,106.38
  5. Step 5: Solve for x
    x = 29,468,106.38/5,591.26
  6. Step 6: Final answer
    x = 5,270.39

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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.