Home / 4,212.94-6,309.56-3,329.51

Finding the Fourth Proportional to 4,212.94, 6,309.56 and 3,329.51

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Solution

The fourth proportional to 4,212.94, 6,309.56 and 3,329.51 is: 4,986.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,212.94 : 6,309.56 = 3,329.51 : x
  2. Step 2: Convert to fraction form
    4,212.94/6,309.56 = 3,329.51/x
  3. Step 3: Cross multiply
    4,212.94x = 6,309.56 × 3,329.51
  4. Step 4: Simplify right side
    4,212.94x = 21,007,720.54
  5. Step 5: Solve for x
    x = 21,007,720.54/4,212.94
  6. Step 6: Final answer
    x = 4,986.48

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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.