Home / 6,455.36-9,684.06-2,757.61

Finding the Fourth Proportional to 6,455.36, 9,684.06 and 2,757.61

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Solution

The fourth proportional to 6,455.36, 9,684.06 and 2,757.61 is: 4,136.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,455.36 : 9,684.06 = 2,757.61 : x
  2. Step 2: Convert to fraction form
    6,455.36/9,684.06 = 2,757.61/x
  3. Step 3: Cross multiply
    6,455.36x = 9,684.06 × 2,757.61
  4. Step 4: Simplify right side
    6,455.36x = 26,704,860.70
  5. Step 5: Solve for x
    x = 26,704,860.70/6,455.36
  6. Step 6: Final answer
    x = 4,136.85

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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.