Home / 8,010.62-12,015.45-3,082.70

Finding the Fourth Proportional to 8,010.62, 12,015.45 and 3,082.70

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Solution

The fourth proportional to 8,010.62, 12,015.45 and 3,082.70 is: 4,623.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,010.62 : 12,015.45 = 3,082.70 : x
  2. Step 2: Convert to fraction form
    8,010.62/12,015.45 = 3,082.70/x
  3. Step 3: Cross multiply
    8,010.62x = 12,015.45 × 3,082.70
  4. Step 4: Simplify right side
    8,010.62x = 37,040,027.72
  5. Step 5: Solve for x
    x = 37,040,027.72/8,010.62
  6. Step 6: Final answer
    x = 4,623.87

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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.