Home / 5,181.75-7,150.83-2,823.84

Finding the Fourth Proportional to 5,181.75, 7,150.83 and 2,823.84

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Solution

The fourth proportional to 5,181.75, 7,150.83 and 2,823.84 is: 3,896.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,181.75 : 7,150.83 = 2,823.84 : x
  2. Step 2: Convert to fraction form
    5,181.75/7,150.83 = 2,823.84/x
  3. Step 3: Cross multiply
    5,181.75x = 7,150.83 × 2,823.84
  4. Step 4: Simplify right side
    5,181.75x = 20,192,799.79
  5. Step 5: Solve for x
    x = 20,192,799.79/5,181.75
  6. Step 6: Final answer
    x = 3,896.91

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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.