Home / 6,297.20-8,689.45-3,644.09

Finding the Fourth Proportional to 6,297.20, 8,689.45 and 3,644.09

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Solution

The fourth proportional to 6,297.20, 8,689.45 and 3,644.09 is: 5,028.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,297.20 : 8,689.45 = 3,644.09 : x
  2. Step 2: Convert to fraction form
    6,297.20/8,689.45 = 3,644.09/x
  3. Step 3: Cross multiply
    6,297.20x = 8,689.45 × 3,644.09
  4. Step 4: Simplify right side
    6,297.20x = 31,665,137.85
  5. Step 5: Solve for x
    x = 31,665,137.85/6,297.20
  6. Step 6: Final answer
    x = 5,028.45

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