Home / 4,821-7,227.36-2,480.91

Finding the Fourth Proportional to 4,821, 7,227.36 and 2,480.91

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Solution

The fourth proportional to 4,821, 7,227.36 and 2,480.91 is: 3,719.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,821 : 7,227.36 = 2,480.91 : x
  2. Step 2: Convert to fraction form
    4,821/7,227.36 = 2,480.91/x
  3. Step 3: Cross multiply
    4,821x = 7,227.36 × 2,480.91
  4. Step 4: Simplify right side
    4,821x = 17,930,429.70
  5. Step 5: Solve for x
    x = 17,930,429.70/4,821
  6. Step 6: Final answer
    x = 3,719.23

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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.