Home / 5,515.50-8,273.19-2,228.53

Finding the Fourth Proportional to 5,515.50, 8,273.19 and 2,228.53

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Solution

The fourth proportional to 5,515.50, 8,273.19 and 2,228.53 is: 3,342.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,515.50 : 8,273.19 = 2,228.53 : x
  2. Step 2: Convert to fraction form
    5,515.50/8,273.19 = 2,228.53/x
  3. Step 3: Cross multiply
    5,515.50x = 8,273.19 × 2,228.53
  4. Step 4: Simplify right side
    5,515.50x = 18,437,052.11
  5. Step 5: Solve for x
    x = 18,437,052.11/5,515.50
  6. Step 6: Final answer
    x = 3,342.77

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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.