Home / 8,181.96-11,292.22-4,825.72

Finding the Fourth Proportional to 8,181.96, 11,292.22 and 4,825.72

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Solution

The fourth proportional to 8,181.96, 11,292.22 and 4,825.72 is: 6,660.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,181.96 : 11,292.22 = 4,825.72 : x
  2. Step 2: Convert to fraction form
    8,181.96/11,292.22 = 4,825.72/x
  3. Step 3: Cross multiply
    8,181.96x = 11,292.22 × 4,825.72
  4. Step 4: Simplify right side
    8,181.96x = 54,493,091.90
  5. Step 5: Solve for x
    x = 54,493,091.90/8,181.96
  6. Step 6: Final answer
    x = 6,660.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.