Home / 7,755.38-11,631.02-3,371.84

Finding the Fourth Proportional to 7,755.38, 11,631.02 and 3,371.84

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Solution

The fourth proportional to 7,755.38, 11,631.02 and 3,371.84 is: 5,056.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,755.38 : 11,631.02 = 3,371.84 : x
  2. Step 2: Convert to fraction form
    7,755.38/11,631.02 = 3,371.84/x
  3. Step 3: Cross multiply
    7,755.38x = 11,631.02 × 3,371.84
  4. Step 4: Simplify right side
    7,755.38x = 39,217,863.46
  5. Step 5: Solve for x
    x = 39,217,863.46/7,755.38
  6. Step 6: Final answer
    x = 5,056.86

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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.