Home / 7,459.14-11,187.84-1,912.52

Finding the Fourth Proportional to 7,459.14, 11,187.84 and 1,912.52

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Solution

The fourth proportional to 7,459.14, 11,187.84 and 1,912.52 is: 2,868.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,459.14 : 11,187.84 = 1,912.52 : x
  2. Step 2: Convert to fraction form
    7,459.14/11,187.84 = 1,912.52/x
  3. Step 3: Cross multiply
    7,459.14x = 11,187.84 × 1,912.52
  4. Step 4: Simplify right side
    7,459.14x = 21,396,995.73
  5. Step 5: Solve for x
    x = 21,396,995.73/7,459.14
  6. Step 6: Final answer
    x = 2,868.56

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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.