Home / 5,082.12-7,624.35-2,160.54

Finding the Fourth Proportional to 5,082.12, 7,624.35 and 2,160.54

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Solution

The fourth proportional to 5,082.12, 7,624.35 and 2,160.54 is: 3,241.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,082.12 : 7,624.35 = 2,160.54 : x
  2. Step 2: Convert to fraction form
    5,082.12/7,624.35 = 2,160.54/x
  3. Step 3: Cross multiply
    5,082.12x = 7,624.35 × 2,160.54
  4. Step 4: Simplify right side
    5,082.12x = 16,472,713.15
  5. Step 5: Solve for x
    x = 16,472,713.15/5,082.12
  6. Step 6: Final answer
    x = 3,241.31

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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.