Home / 7,976.34-11,960.79-4,277.70

Finding the Fourth Proportional to 7,976.34, 11,960.79 and 4,277.70

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Solution

The fourth proportional to 7,976.34, 11,960.79 and 4,277.70 is: 6,414.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,976.34 : 11,960.79 = 4,277.70 : x
  2. Step 2: Convert to fraction form
    7,976.34/11,960.79 = 4,277.70/x
  3. Step 3: Cross multiply
    7,976.34x = 11,960.79 × 4,277.70
  4. Step 4: Simplify right side
    7,976.34x = 51,164,671.38
  5. Step 5: Solve for x
    x = 51,164,671.38/7,976.34
  6. Step 6: Final answer
    x = 6,414.55

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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.