Home / 4,815-7,217.04-2,212.56

Finding the Fourth Proportional to 4,815, 7,217.04 and 2,212.56

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Solution

The fourth proportional to 4,815, 7,217.04 and 2,212.56 is: 3,316.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,815 : 7,217.04 = 2,212.56 : x
  2. Step 2: Convert to fraction form
    4,815/7,217.04 = 2,212.56/x
  3. Step 3: Cross multiply
    4,815x = 7,217.04 × 2,212.56
  4. Step 4: Simplify right side
    4,815x = 15,968,134.02
  5. Step 5: Solve for x
    x = 15,968,134.02/4,815
  6. Step 6: Final answer
    x = 3,316.33

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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.