Home / 7,961.09-11,935.42-3,575.48

Finding the Fourth Proportional to 7,961.09, 11,935.42 and 3,575.48

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Solution

The fourth proportional to 7,961.09, 11,935.42 and 3,575.48 is: 5,360.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,961.09 : 11,935.42 = 3,575.48 : x
  2. Step 2: Convert to fraction form
    7,961.09/11,935.42 = 3,575.48/x
  3. Step 3: Cross multiply
    7,961.09x = 11,935.42 × 3,575.48
  4. Step 4: Simplify right side
    7,961.09x = 42,674,855.50
  5. Step 5: Solve for x
    x = 42,674,855.50/7,961.09
  6. Step 6: Final answer
    x = 5,360.43

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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.