Home / 5,082.19-7,615.99-2,886.28

Finding the Fourth Proportional to 5,082.19, 7,615.99 and 2,886.28

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Solution

The fourth proportional to 5,082.19, 7,615.99 and 2,886.28 is: 4,325.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,082.19 : 7,615.99 = 2,886.28 : x
  2. Step 2: Convert to fraction form
    5,082.19/7,615.99 = 2,886.28/x
  3. Step 3: Cross multiply
    5,082.19x = 7,615.99 × 2,886.28
  4. Step 4: Simplify right side
    5,082.19x = 21,981,879.62
  5. Step 5: Solve for x
    x = 21,981,879.62/5,082.19
  6. Step 6: Final answer
    x = 4,325.28

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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.