Home / 4,945.24-6,822.78-3,082.12

Finding the Fourth Proportional to 4,945.24, 6,822.78 and 3,082.12

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Solution

The fourth proportional to 4,945.24, 6,822.78 and 3,082.12 is: 4,252.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,945.24 : 6,822.78 = 3,082.12 : x
  2. Step 2: Convert to fraction form
    4,945.24/6,822.78 = 3,082.12/x
  3. Step 3: Cross multiply
    4,945.24x = 6,822.78 × 3,082.12
  4. Step 4: Simplify right side
    4,945.24x = 21,028,626.69
  5. Step 5: Solve for x
    x = 21,028,626.69/4,945.24
  6. Step 6: Final answer
    x = 4,252.30

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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.