Home / 5,555.21-7,668.11-3,198.29

Finding the Fourth Proportional to 5,555.21, 7,668.11 and 3,198.29

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Solution

The fourth proportional to 5,555.21, 7,668.11 and 3,198.29 is: 4,414.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,555.21 : 7,668.11 = 3,198.29 : x
  2. Step 2: Convert to fraction form
    5,555.21/7,668.11 = 3,198.29/x
  3. Step 3: Cross multiply
    5,555.21x = 7,668.11 × 3,198.29
  4. Step 4: Simplify right side
    5,555.21x = 24,524,809.19
  5. Step 5: Solve for x
    x = 24,524,809.19/5,555.21
  6. Step 6: Final answer
    x = 4,414.74

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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.