Home / 4,231.48-6,336.28-2,919.28

Finding the Fourth Proportional to 4,231.48, 6,336.28 and 2,919.28

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Solution

The fourth proportional to 4,231.48, 6,336.28 and 2,919.28 is: 4,371.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,231.48 : 6,336.28 = 2,919.28 : x
  2. Step 2: Convert to fraction form
    4,231.48/6,336.28 = 2,919.28/x
  3. Step 3: Cross multiply
    4,231.48x = 6,336.28 × 2,919.28
  4. Step 4: Simplify right side
    4,231.48x = 18,497,375.48
  5. Step 5: Solve for x
    x = 18,497,375.48/4,231.48
  6. Step 6: Final answer
    x = 4,371.37

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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.