Home / 4,243.28-6,367.80-2,192.72

Finding the Fourth Proportional to 4,243.28, 6,367.80 and 2,192.72

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Solution

The fourth proportional to 4,243.28, 6,367.80 and 2,192.72 is: 3,290.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,243.28 : 6,367.80 = 2,192.72 : x
  2. Step 2: Convert to fraction form
    4,243.28/6,367.80 = 2,192.72/x
  3. Step 3: Cross multiply
    4,243.28x = 6,367.80 × 2,192.72
  4. Step 4: Simplify right side
    4,243.28x = 13,962,802.42
  5. Step 5: Solve for x
    x = 13,962,802.42/4,243.28
  6. Step 6: Final answer
    x = 3,290.57

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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.