Home / 7,935.09-11,901.42-2,739.75

Finding the Fourth Proportional to 7,935.09, 11,901.42 and 2,739.75

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Solution

The fourth proportional to 7,935.09, 11,901.42 and 2,739.75 is: 4,109.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,935.09 : 11,901.42 = 2,739.75 : x
  2. Step 2: Convert to fraction form
    7,935.09/11,901.42 = 2,739.75/x
  3. Step 3: Cross multiply
    7,935.09x = 11,901.42 × 2,739.75
  4. Step 4: Simplify right side
    7,935.09x = 32,606,915.45
  5. Step 5: Solve for x
    x = 32,606,915.45/7,935.09
  6. Step 6: Final answer
    x = 4,109.21

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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.