Home / 7,935.85-11,905.44-3,005.38

Finding the Fourth Proportional to 7,935.85, 11,905.44 and 3,005.38

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Solution

The fourth proportional to 7,935.85, 11,905.44 and 3,005.38 is: 4,508.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,935.85 : 11,905.44 = 3,005.38 : x
  2. Step 2: Convert to fraction form
    7,935.85/11,905.44 = 3,005.38/x
  3. Step 3: Cross multiply
    7,935.85x = 11,905.44 × 3,005.38
  4. Step 4: Simplify right side
    7,935.85x = 35,780,371.27
  5. Step 5: Solve for x
    x = 35,780,371.27/7,935.85
  6. Step 6: Final answer
    x = 4,508.70

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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.