Home / 5,485.50-8,229.44-2,562.20

Finding the Fourth Proportional to 5,485.50, 8,229.44 and 2,562.20

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Solution

The fourth proportional to 5,485.50, 8,229.44 and 2,562.20 is: 3,843.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,485.50 : 8,229.44 = 2,562.20 : x
  2. Step 2: Convert to fraction form
    5,485.50/8,229.44 = 2,562.20/x
  3. Step 3: Cross multiply
    5,485.50x = 8,229.44 × 2,562.20
  4. Step 4: Simplify right side
    5,485.50x = 21,085,471.17
  5. Step 5: Solve for x
    x = 21,085,471.17/5,485.50
  6. Step 6: Final answer
    x = 3,843.86

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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.