Home / 4,638.26-6,401.23-2,649.61

Finding the Fourth Proportional to 4,638.26, 6,401.23 and 2,649.61

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Solution

The fourth proportional to 4,638.26, 6,401.23 and 2,649.61 is: 3,656.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,638.26 : 6,401.23 = 2,649.61 : x
  2. Step 2: Convert to fraction form
    4,638.26/6,401.23 = 2,649.61/x
  3. Step 3: Cross multiply
    4,638.26x = 6,401.23 × 2,649.61
  4. Step 4: Simplify right side
    4,638.26x = 16,960,764.40
  5. Step 5: Solve for x
    x = 16,960,764.40/4,638.26
  6. Step 6: Final answer
    x = 3,656.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.