Home / 5,481.68-8,222.52-2,018.12

Finding the Fourth Proportional to 5,481.68, 8,222.52 and 2,018.12

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Solution

The fourth proportional to 5,481.68, 8,222.52 and 2,018.12 is: 3,027.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,481.68 : 8,222.52 = 2,018.12 : x
  2. Step 2: Convert to fraction form
    5,481.68/8,222.52 = 2,018.12/x
  3. Step 3: Cross multiply
    5,481.68x = 8,222.52 × 2,018.12
  4. Step 4: Simplify right side
    5,481.68x = 16,594,032.06
  5. Step 5: Solve for x
    x = 16,594,032.06/5,481.68
  6. Step 6: Final answer
    x = 3,027.18

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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.