Home / 4,638.21-6,949.22-3,863.20

Finding the Fourth Proportional to 4,638.21, 6,949.22 and 3,863.20

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Solution

The fourth proportional to 4,638.21, 6,949.22 and 3,863.20 is: 5,788.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,638.21 : 6,949.22 = 3,863.20 : x
  2. Step 2: Convert to fraction form
    4,638.21/6,949.22 = 3,863.20/x
  3. Step 3: Cross multiply
    4,638.21x = 6,949.22 × 3,863.20
  4. Step 4: Simplify right side
    4,638.21x = 26,846,172.64
  5. Step 5: Solve for x
    x = 26,846,172.64/4,638.21
  6. Step 6: Final answer
    x = 5,788.05

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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.