Home / 5,515.22-8,274.38-2,230.62

Finding the Fourth Proportional to 5,515.22, 8,274.38 and 2,230.62

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Solution

The fourth proportional to 5,515.22, 8,274.38 and 2,230.62 is: 3,346.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,515.22 : 8,274.38 = 2,230.62 : x
  2. Step 2: Convert to fraction form
    5,515.22/8,274.38 = 2,230.62/x
  3. Step 3: Cross multiply
    5,515.22x = 8,274.38 × 2,230.62
  4. Step 4: Simplify right side
    5,515.22x = 18,456,986.36
  5. Step 5: Solve for x
    x = 18,456,986.36/5,515.22
  6. Step 6: Final answer
    x = 3,346.55

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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.