Home / 4,138.20-6,207.29-1,797.91

Finding the Fourth Proportional to 4,138.20, 6,207.29 and 1,797.91

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Solution

The fourth proportional to 4,138.20, 6,207.29 and 1,797.91 is: 2,696.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,138.20 : 6,207.29 = 1,797.91 : x
  2. Step 2: Convert to fraction form
    4,138.20/6,207.29 = 1,797.91/x
  3. Step 3: Cross multiply
    4,138.20x = 6,207.29 × 1,797.91
  4. Step 4: Simplify right side
    4,138.20x = 11,160,124.26
  5. Step 5: Solve for x
    x = 11,160,124.26/4,138.20
  6. Step 6: Final answer
    x = 2,696.85

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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.