Home / 6,389.88-9,586.46-2,229.90

Finding the Fourth Proportional to 6,389.88, 9,586.46 and 2,229.90

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Solution

The fourth proportional to 6,389.88, 9,586.46 and 2,229.90 is: 3,345.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,389.88 : 9,586.46 = 2,229.90 : x
  2. Step 2: Convert to fraction form
    6,389.88/9,586.46 = 2,229.90/x
  3. Step 3: Cross multiply
    6,389.88x = 9,586.46 × 2,229.90
  4. Step 4: Simplify right side
    6,389.88x = 21,376,847.15
  5. Step 5: Solve for x
    x = 21,376,847.15/6,389.88
  6. Step 6: Final answer
    x = 3,345.42

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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.