Home / 7,966.07-11,948.65-3,808.95

Finding the Fourth Proportional to 7,966.07, 11,948.65 and 3,808.95

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Solution

The fourth proportional to 7,966.07, 11,948.65 and 3,808.95 is: 5,713.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,966.07 : 11,948.65 = 3,808.95 : x
  2. Step 2: Convert to fraction form
    7,966.07/11,948.65 = 3,808.95/x
  3. Step 3: Cross multiply
    7,966.07x = 11,948.65 × 3,808.95
  4. Step 4: Simplify right side
    7,966.07x = 45,511,791.37
  5. Step 5: Solve for x
    x = 45,511,791.37/7,966.07
  6. Step 6: Final answer
    x = 5,713.21

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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.