Home / 8,082.17-12,122.33-2,816.28

Finding the Fourth Proportional to 8,082.17, 12,122.33 and 2,816.28

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Solution

The fourth proportional to 8,082.17, 12,122.33 and 2,816.28 is: 4,224.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,082.17 : 12,122.33 = 2,816.28 : x
  2. Step 2: Convert to fraction form
    8,082.17/12,122.33 = 2,816.28/x
  3. Step 3: Cross multiply
    8,082.17x = 12,122.33 × 2,816.28
  4. Step 4: Simplify right side
    8,082.17x = 34,139,861.45
  5. Step 5: Solve for x
    x = 34,139,861.45/8,082.17
  6. Step 6: Final answer
    x = 4,224.10

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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.