Home / 5,157.06-7,732.12-2,382.21

Finding the Fourth Proportional to 5,157.06, 7,732.12 and 2,382.21

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Solution

The fourth proportional to 5,157.06, 7,732.12 and 2,382.21 is: 3,571.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,157.06 : 7,732.12 = 2,382.21 : x
  2. Step 2: Convert to fraction form
    5,157.06/7,732.12 = 2,382.21/x
  3. Step 3: Cross multiply
    5,157.06x = 7,732.12 × 2,382.21
  4. Step 4: Simplify right side
    5,157.06x = 18,419,533.59
  5. Step 5: Solve for x
    x = 18,419,533.59/5,157.06
  6. Step 6: Final answer
    x = 3,571.71

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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.