Home / 5,082.77-7,623.91-2,119.99

Finding the Fourth Proportional to 5,082.77, 7,623.91 and 2,119.99

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Solution

The fourth proportional to 5,082.77, 7,623.91 and 2,119.99 is: 3,179.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,082.77 : 7,623.91 = 2,119.99 : x
  2. Step 2: Convert to fraction form
    5,082.77/7,623.91 = 2,119.99/x
  3. Step 3: Cross multiply
    5,082.77x = 7,623.91 × 2,119.99
  4. Step 4: Simplify right side
    5,082.77x = 16,162,612.96
  5. Step 5: Solve for x
    x = 16,162,612.96/5,082.77
  6. Step 6: Final answer
    x = 3,179.88

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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.