Home / 7,954.40-11,932.14-2,110.79

Finding the Fourth Proportional to 7,954.40, 11,932.14 and 2,110.79

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Solution

The fourth proportional to 7,954.40, 11,932.14 and 2,110.79 is: 3,166.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,954.40 : 11,932.14 = 2,110.79 : x
  2. Step 2: Convert to fraction form
    7,954.40/11,932.14 = 2,110.79/x
  3. Step 3: Cross multiply
    7,954.40x = 11,932.14 × 2,110.79
  4. Step 4: Simplify right side
    7,954.40x = 25,186,241.79
  5. Step 5: Solve for x
    x = 25,186,241.79/7,954.40
  6. Step 6: Final answer
    x = 3,166.33

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1.5x scale

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.