Home / 5,205.06-7,183.01-2,847.21

Finding the Fourth Proportional to 5,205.06, 7,183.01 and 2,847.21

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Solution

The fourth proportional to 5,205.06, 7,183.01 and 2,847.21 is: 3,929.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,205.06 : 7,183.01 = 2,847.21 : x
  2. Step 2: Convert to fraction form
    5,205.06/7,183.01 = 2,847.21/x
  3. Step 3: Cross multiply
    5,205.06x = 7,183.01 × 2,847.21
  4. Step 4: Simplify right side
    5,205.06x = 20,451,537.90
  5. Step 5: Solve for x
    x = 20,451,537.90/5,205.06
  6. Step 6: Final answer
    x = 3,929.16

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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.