Home / 5,485.32-8,229.35-2,202.09

Finding the Fourth Proportional to 5,485.32, 8,229.35 and 2,202.09

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Solution

The fourth proportional to 5,485.32, 8,229.35 and 2,202.09 is: 3,303.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,485.32 : 8,229.35 = 2,202.09 : x
  2. Step 2: Convert to fraction form
    5,485.32/8,229.35 = 2,202.09/x
  3. Step 3: Cross multiply
    5,485.32x = 8,229.35 × 2,202.09
  4. Step 4: Simplify right side
    5,485.32x = 18,121,731.60
  5. Step 5: Solve for x
    x = 18,121,731.60/5,485.32
  6. Step 6: Final answer
    x = 3,303.68

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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.