Home / 7,939.14-11,901.71-3,005.18

Finding the Fourth Proportional to 7,939.14, 11,901.71 and 3,005.18

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Solution

The fourth proportional to 7,939.14, 11,901.71 and 3,005.18 is: 4,505.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,939.14 : 11,901.71 = 3,005.18 : x
  2. Step 2: Convert to fraction form
    7,939.14/11,901.71 = 3,005.18/x
  3. Step 3: Cross multiply
    7,939.14x = 11,901.71 × 3,005.18
  4. Step 4: Simplify right side
    7,939.14x = 35,766,706.32
  5. Step 5: Solve for x
    x = 35,766,706.32/7,939.14
  6. Step 6: Final answer
    x = 4,505.11

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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.