Home / 7,755.23-11,631.88-2,489.82

Finding the Fourth Proportional to 7,755.23, 11,631.88 and 2,489.82

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Solution

The fourth proportional to 7,755.23, 11,631.88 and 2,489.82 is: 3,734.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,755.23 : 11,631.88 = 2,489.82 : x
  2. Step 2: Convert to fraction form
    7,755.23/11,631.88 = 2,489.82/x
  3. Step 3: Cross multiply
    7,755.23x = 11,631.88 × 2,489.82
  4. Step 4: Simplify right side
    7,755.23x = 28,961,275.01
  5. Step 5: Solve for x
    x = 28,961,275.01/7,755.23
  6. Step 6: Final answer
    x = 3,734.42

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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.