Home / 5,515.38-8,271.27-2,228.94

Finding the Fourth Proportional to 5,515.38, 8,271.27 and 2,228.94

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Solution

The fourth proportional to 5,515.38, 8,271.27 and 2,228.94 is: 3,342.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,515.38 : 8,271.27 = 2,228.94 : x
  2. Step 2: Convert to fraction form
    5,515.38/8,271.27 = 2,228.94/x
  3. Step 3: Cross multiply
    5,515.38x = 8,271.27 × 2,228.94
  4. Step 4: Simplify right side
    5,515.38x = 18,436,164.55
  5. Step 5: Solve for x
    x = 18,436,164.55/5,515.38
  6. Step 6: Final answer
    x = 3,342.68

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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.