Home / 7,957.45-11,918.01-3,800.39

Finding the Fourth Proportional to 7,957.45, 11,918.01 and 3,800.39

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Solution

The fourth proportional to 7,957.45, 11,918.01 and 3,800.39 is: 5,691.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,957.45 : 11,918.01 = 3,800.39 : x
  2. Step 2: Convert to fraction form
    7,957.45/11,918.01 = 3,800.39/x
  3. Step 3: Cross multiply
    7,957.45x = 11,918.01 × 3,800.39
  4. Step 4: Simplify right side
    7,957.45x = 45,293,063.52
  5. Step 5: Solve for x
    x = 45,293,063.52/7,957.45
  6. Step 6: Final answer
    x = 5,691.91

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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.