Home / 6,635.07-9,950.29-2,191.78

Finding the Fourth Proportional to 6,635.07, 9,950.29 and 2,191.78

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Solution

The fourth proportional to 6,635.07, 9,950.29 and 2,191.78 is: 3,286.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,635.07 : 9,950.29 = 2,191.78 : x
  2. Step 2: Convert to fraction form
    6,635.07/9,950.29 = 2,191.78/x
  3. Step 3: Cross multiply
    6,635.07x = 9,950.29 × 2,191.78
  4. Step 4: Simplify right side
    6,635.07x = 21,808,846.62
  5. Step 5: Solve for x
    x = 21,808,846.62/6,635.07
  6. Step 6: Final answer
    x = 3,286.91

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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.