Home / 4,821.39-7,228.91-3,172.95

Finding the Fourth Proportional to 4,821.39, 7,228.91 and 3,172.95

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Solution

The fourth proportional to 4,821.39, 7,228.91 and 3,172.95 is: 4,757.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,821.39 : 7,228.91 = 3,172.95 : x
  2. Step 2: Convert to fraction form
    4,821.39/7,228.91 = 3,172.95/x
  3. Step 3: Cross multiply
    4,821.39x = 7,228.91 × 3,172.95
  4. Step 4: Simplify right side
    4,821.39x = 22,936,954.12
  5. Step 5: Solve for x
    x = 22,936,954.12/4,821.39
  6. Step 6: Final answer
    x = 4,757.33

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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.