Home / 5,223.69-7,208.19-2,984.85

Finding the Fourth Proportional to 5,223.69, 7,208.19 and 2,984.85

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Solution

The fourth proportional to 5,223.69, 7,208.19 and 2,984.85 is: 4,118.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,223.69 : 7,208.19 = 2,984.85 : x
  2. Step 2: Convert to fraction form
    5,223.69/7,208.19 = 2,984.85/x
  3. Step 3: Cross multiply
    5,223.69x = 7,208.19 × 2,984.85
  4. Step 4: Simplify right side
    5,223.69x = 21,515,365.92
  5. Step 5: Solve for x
    x = 21,515,365.92/5,223.69
  6. Step 6: Final answer
    x = 4,118.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.