Home / 7,966.80-11,950.20-3,794.16

Finding the Fourth Proportional to 7,966.80, 11,950.20 and 3,794.16

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Solution

The fourth proportional to 7,966.80, 11,950.20 and 3,794.16 is: 5,691.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,966.80 : 11,950.20 = 3,794.16 : x
  2. Step 2: Convert to fraction form
    7,966.80/11,950.20 = 3,794.16/x
  3. Step 3: Cross multiply
    7,966.80x = 11,950.20 × 3,794.16
  4. Step 4: Simplify right side
    7,966.80x = 45,340,892.11
  5. Step 5: Solve for x
    x = 45,340,892.11/7,966.80
  6. Step 6: Final answer
    x = 5,691.23

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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.