Home / 8,185.45-12,273.14-3,181.97

Finding the Fourth Proportional to 8,185.45, 12,273.14 and 3,181.97

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Solution

The fourth proportional to 8,185.45, 12,273.14 and 3,181.97 is: 4,771.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,185.45 : 12,273.14 = 3,181.97 : x
  2. Step 2: Convert to fraction form
    8,185.45/12,273.14 = 3,181.97/x
  3. Step 3: Cross multiply
    8,185.45x = 12,273.14 × 3,181.97
  4. Step 4: Simplify right side
    8,185.45x = 39,052,801.92
  5. Step 5: Solve for x
    x = 39,052,801.92/8,185.45
  6. Step 6: Final answer
    x = 4,771.00

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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.