Home / 4,121.37-5,688.29-3,223.33

Finding the Fourth Proportional to 4,121.37, 5,688.29 and 3,223.33

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Solution

The fourth proportional to 4,121.37, 5,688.29 and 3,223.33 is: 4,448.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,121.37 : 5,688.29 = 3,223.33 : x
  2. Step 2: Convert to fraction form
    4,121.37/5,688.29 = 3,223.33/x
  3. Step 3: Cross multiply
    4,121.37x = 5,688.29 × 3,223.33
  4. Step 4: Simplify right side
    4,121.37x = 18,335,205.47
  5. Step 5: Solve for x
    x = 18,335,205.47/4,121.37
  6. Step 6: Final answer
    x = 4,448.81

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1.5x scale

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.