Home / 5,481.19-8,218.17-1,969.44

Finding the Fourth Proportional to 5,481.19, 8,218.17 and 1,969.44

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Solution

The fourth proportional to 5,481.19, 8,218.17 and 1,969.44 is: 2,952.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,481.19 : 8,218.17 = 1,969.44 : x
  2. Step 2: Convert to fraction form
    5,481.19/8,218.17 = 1,969.44/x
  3. Step 3: Cross multiply
    5,481.19x = 8,218.17 × 1,969.44
  4. Step 4: Simplify right side
    5,481.19x = 16,185,192.72
  5. Step 5: Solve for x
    x = 16,185,192.72/5,481.19
  6. Step 6: Final answer
    x = 2,952.86

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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.