Home / 7,966.84-11,948.39-3,282.21

Finding the Fourth Proportional to 7,966.84, 11,948.39 and 3,282.21

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Solution

The fourth proportional to 7,966.84, 11,948.39 and 3,282.21 is: 4,922.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,966.84 : 11,948.39 = 3,282.21 : x
  2. Step 2: Convert to fraction form
    7,966.84/11,948.39 = 3,282.21/x
  3. Step 3: Cross multiply
    7,966.84x = 11,948.39 × 3,282.21
  4. Step 4: Simplify right side
    7,966.84x = 39,217,125.14
  5. Step 5: Solve for x
    x = 39,217,125.14/7,966.84
  6. Step 6: Final answer
    x = 4,922.54

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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.