Home / 6,966.21-9,614.04-3,981.48

Finding the Fourth Proportional to 6,966.21, 9,614.04 and 3,981.48

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Solution

The fourth proportional to 6,966.21, 9,614.04 and 3,981.48 is: 5,494.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,966.21 : 9,614.04 = 3,981.48 : x
  2. Step 2: Convert to fraction form
    6,966.21/9,614.04 = 3,981.48/x
  3. Step 3: Cross multiply
    6,966.21x = 9,614.04 × 3,981.48
  4. Step 4: Simplify right side
    6,966.21x = 38,278,107.98
  5. Step 5: Solve for x
    x = 38,278,107.98/6,966.21
  6. Step 6: Final answer
    x = 5,494.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.