Home / 7,935.26-11,908.35-3,557.61

Finding the Fourth Proportional to 7,935.26, 11,908.35 and 3,557.61

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Solution

The fourth proportional to 7,935.26, 11,908.35 and 3,557.61 is: 5,338.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,935.26 : 11,908.35 = 3,557.61 : x
  2. Step 2: Convert to fraction form
    7,935.26/11,908.35 = 3,557.61/x
  3. Step 3: Cross multiply
    7,935.26x = 11,908.35 × 3,557.61
  4. Step 4: Simplify right side
    7,935.26x = 42,365,265.04
  5. Step 5: Solve for x
    x = 42,365,265.04/7,935.26
  6. Step 6: Final answer
    x = 5,338.87

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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.