Home / 7,935.39-11,900.79-2,669.82

Finding the Fourth Proportional to 7,935.39, 11,900.79 and 2,669.82

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Solution

The fourth proportional to 7,935.39, 11,900.79 and 2,669.82 is: 4,003.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,935.39 : 11,900.79 = 2,669.82 : x
  2. Step 2: Convert to fraction form
    7,935.39/11,900.79 = 2,669.82/x
  3. Step 3: Cross multiply
    7,935.39x = 11,900.79 × 2,669.82
  4. Step 4: Simplify right side
    7,935.39x = 31,772,967.16
  5. Step 5: Solve for x
    x = 31,772,967.16/7,935.39
  6. Step 6: Final answer
    x = 4,003.96

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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.