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Finding the Fourth Proportional to 7,726.80, 11,589.12 and 2,532

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Solution

The fourth proportional to 7,726.80, 11,589.12 and 2,532 is: 3,797.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,726.80 : 11,589.12 = 2,532 : x
  2. Step 2: Convert to fraction form
    7,726.80/11,589.12 = 2,532/x
  3. Step 3: Cross multiply
    7,726.80x = 11,589.12 × 2,532
  4. Step 4: Simplify right side
    7,726.80x = 29,343,651.84
  5. Step 5: Solve for x
    x = 29,343,651.84/7,726.80
  6. Step 6: Final answer
    x = 3,797.65

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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.