Home / 5,515.31-8,274.80-2,226.62

Finding the Fourth Proportional to 5,515.31, 8,274.80 and 2,226.62

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Solution

The fourth proportional to 5,515.31, 8,274.80 and 2,226.62 is: 3,340.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,515.31 : 8,274.80 = 2,226.62 : x
  2. Step 2: Convert to fraction form
    5,515.31/8,274.80 = 2,226.62/x
  3. Step 3: Cross multiply
    5,515.31x = 8,274.80 × 2,226.62
  4. Step 4: Simplify right side
    5,515.31x = 18,424,861.43
  5. Step 5: Solve for x
    x = 18,424,861.43/5,515.31
  6. Step 6: Final answer
    x = 3,340.67

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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.