Home / 4,815.47-7,217.67-2,212.94

Finding the Fourth Proportional to 4,815.47, 7,217.67 and 2,212.94

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Solution

The fourth proportional to 4,815.47, 7,217.67 and 2,212.94 is: 3,316.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,815.47 : 7,217.67 = 2,212.94 : x
  2. Step 2: Convert to fraction form
    4,815.47/7,217.67 = 2,212.94/x
  3. Step 3: Cross multiply
    4,815.47x = 7,217.67 × 2,212.94
  4. Step 4: Simplify right side
    4,815.47x = 15,972,270.65
  5. Step 5: Solve for x
    x = 15,972,270.65/4,815.47
  6. Step 6: Final answer
    x = 3,316.87

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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.