Home / 5,650.80-8,471.04-2,185.44

Finding the Fourth Proportional to 5,650.80, 8,471.04 and 2,185.44

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Solution

The fourth proportional to 5,650.80, 8,471.04 and 2,185.44 is: 3,276.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,650.80 : 8,471.04 = 2,185.44 : x
  2. Step 2: Convert to fraction form
    5,650.80/8,471.04 = 2,185.44/x
  3. Step 3: Cross multiply
    5,650.80x = 8,471.04 × 2,185.44
  4. Step 4: Simplify right side
    5,650.80x = 18,512,949.66
  5. Step 5: Solve for x
    x = 18,512,949.66/5,650.80
  6. Step 6: Final answer
    x = 3,276.16

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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.