Home / 5,515.53-8,274.84-2,227.86

Finding the Fourth Proportional to 5,515.53, 8,274.84 and 2,227.86

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Solution

The fourth proportional to 5,515.53, 8,274.84 and 2,227.86 is: 3,342.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,515.53 : 8,274.84 = 2,227.86 : x
  2. Step 2: Convert to fraction form
    5,515.53/8,274.84 = 2,227.86/x
  3. Step 3: Cross multiply
    5,515.53x = 8,274.84 × 2,227.86
  4. Step 4: Simplify right side
    5,515.53x = 18,435,185.04
  5. Step 5: Solve for x
    x = 18,435,185.04/5,515.53
  6. Step 6: Final answer
    x = 3,342.41

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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.