Home / 5,205.75-7,183.83-2,847.93

Finding the Fourth Proportional to 5,205.75, 7,183.83 and 2,847.93

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Solution

The fourth proportional to 5,205.75, 7,183.83 and 2,847.93 is: 3,930.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,205.75 : 7,183.83 = 2,847.93 : x
  2. Step 2: Convert to fraction form
    5,205.75/7,183.83 = 2,847.93/x
  3. Step 3: Cross multiply
    5,205.75x = 7,183.83 × 2,847.93
  4. Step 4: Simplify right side
    5,205.75x = 20,459,044.97
  5. Step 5: Solve for x
    x = 20,459,044.97/5,205.75
  6. Step 6: Final answer
    x = 3,930.09

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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.