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Finding the Fourth Proportional to 5,082.96, 7,015.11 and 3,093.72

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Solution

The fourth proportional to 5,082.96, 7,015.11 and 3,093.72 is: 4,269.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,082.96 : 7,015.11 = 3,093.72 : x
  2. Step 2: Convert to fraction form
    5,082.96/7,015.11 = 3,093.72/x
  3. Step 3: Cross multiply
    5,082.96x = 7,015.11 × 3,093.72
  4. Step 4: Simplify right side
    5,082.96x = 21,702,786.11
  5. Step 5: Solve for x
    x = 21,702,786.11/5,082.96
  6. Step 6: Final answer
    x = 4,269.71

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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.