Home / 4,243.36-6,359.28-2,192.80

Finding the Fourth Proportional to 4,243.36, 6,359.28 and 2,192.80

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Solution

The fourth proportional to 4,243.36, 6,359.28 and 2,192.80 is: 3,286.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,243.36 : 6,359.28 = 2,192.80 : x
  2. Step 2: Convert to fraction form
    4,243.36/6,359.28 = 2,192.80/x
  3. Step 3: Cross multiply
    4,243.36x = 6,359.28 × 2,192.80
  4. Step 4: Simplify right side
    4,243.36x = 13,944,629.18
  5. Step 5: Solve for x
    x = 13,944,629.18/4,243.36
  6. Step 6: Final answer
    x = 3,286.22

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1.5x scale

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.