Home / 4,247.64-6,371.45-2,786.44

Finding the Fourth Proportional to 4,247.64, 6,371.45 and 2,786.44

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Solution

The fourth proportional to 4,247.64, 6,371.45 and 2,786.44 is: 4,179.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,247.64 : 6,371.45 = 2,786.44 : x
  2. Step 2: Convert to fraction form
    4,247.64/6,371.45 = 2,786.44/x
  3. Step 3: Cross multiply
    4,247.64x = 6,371.45 × 2,786.44
  4. Step 4: Simplify right side
    4,247.64x = 17,753,649.21
  5. Step 5: Solve for x
    x = 17,753,649.21/4,247.64
  6. Step 6: Final answer
    x = 4,179.66

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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.