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Finding the Fourth Proportional to 5,399.57, 8,082.57 and 2,928.26

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Solution

The fourth proportional to 5,399.57, 8,082.57 and 2,928.26 is: 4,383.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,399.57 : 8,082.57 = 2,928.26 : x
  2. Step 2: Convert to fraction form
    5,399.57/8,082.57 = 2,928.26/x
  3. Step 3: Cross multiply
    5,399.57x = 8,082.57 × 2,928.26
  4. Step 4: Simplify right side
    5,399.57x = 23,667,866.43
  5. Step 5: Solve for x
    x = 23,667,866.43/5,399.57
  6. Step 6: Final answer
    x = 4,383.29

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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.