Home / 8,082.14-12,119.30-2,817.02

Finding the Fourth Proportional to 8,082.14, 12,119.30 and 2,817.02

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Solution

The fourth proportional to 8,082.14, 12,119.30 and 2,817.02 is: 4,224.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,082.14 : 12,119.30 = 2,817.02 : x
  2. Step 2: Convert to fraction form
    8,082.14/12,119.30 = 2,817.02/x
  3. Step 3: Cross multiply
    8,082.14x = 12,119.30 × 2,817.02
  4. Step 4: Simplify right side
    8,082.14x = 34,140,310.49
  5. Step 5: Solve for x
    x = 34,140,310.49/8,082.14
  6. Step 6: Final answer
    x = 4,224.17

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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.