Home / 4,247.22-6,371.92-1,649.28

Finding the Fourth Proportional to 4,247.22, 6,371.92 and 1,649.28

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Solution

The fourth proportional to 4,247.22, 6,371.92 and 1,649.28 is: 2,474.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,247.22 : 6,371.92 = 1,649.28 : x
  2. Step 2: Convert to fraction form
    4,247.22/6,371.92 = 1,649.28/x
  3. Step 3: Cross multiply
    4,247.22x = 6,371.92 × 1,649.28
  4. Step 4: Simplify right side
    4,247.22x = 10,509,080.22
  5. Step 5: Solve for x
    x = 10,509,080.22/4,247.22
  6. Step 6: Final answer
    x = 2,474.34

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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.