Home / 4,721.16-7,082.78-2,252.59

Finding the Fourth Proportional to 4,721.16, 7,082.78 and 2,252.59

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Solution

The fourth proportional to 4,721.16, 7,082.78 and 2,252.59 is: 3,379.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,721.16 : 7,082.78 = 2,252.59 : x
  2. Step 2: Convert to fraction form
    4,721.16/7,082.78 = 2,252.59/x
  3. Step 3: Cross multiply
    4,721.16x = 7,082.78 × 2,252.59
  4. Step 4: Simplify right side
    4,721.16x = 15,954,570.43
  5. Step 5: Solve for x
    x = 15,954,570.43/4,721.16
  6. Step 6: Final answer
    x = 3,379.38

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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.