Home / 7,689.24-11,532.60-2,757.96

Finding the Fourth Proportional to 7,689.24, 11,532.60 and 2,757.96

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Solution

The fourth proportional to 7,689.24, 11,532.60 and 2,757.96 is: 4,136.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,689.24 : 11,532.60 = 2,757.96 : x
  2. Step 2: Convert to fraction form
    7,689.24/11,532.60 = 2,757.96/x
  3. Step 3: Cross multiply
    7,689.24x = 11,532.60 × 2,757.96
  4. Step 4: Simplify right side
    7,689.24x = 31,806,449.50
  5. Step 5: Solve for x
    x = 31,806,449.50/7,689.24
  6. Step 6: Final answer
    x = 4,136.49

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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.