Home / 7,146.05-10,716.06-2,702.97

Finding the Fourth Proportional to 7,146.05, 10,716.06 and 2,702.97

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Solution

The fourth proportional to 7,146.05, 10,716.06 and 2,702.97 is: 4,053.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,146.05 : 10,716.06 = 2,702.97 : x
  2. Step 2: Convert to fraction form
    7,146.05/10,716.06 = 2,702.97/x
  3. Step 3: Cross multiply
    7,146.05x = 10,716.06 × 2,702.97
  4. Step 4: Simplify right side
    7,146.05x = 28,965,188.70
  5. Step 5: Solve for x
    x = 28,965,188.70/7,146.05
  6. Step 6: Final answer
    x = 4,053.32

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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.