Home / 6,900.64-10,354.44-3,198.70

Finding the Fourth Proportional to 6,900.64, 10,354.44 and 3,198.70

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Solution

The fourth proportional to 6,900.64, 10,354.44 and 3,198.70 is: 4,799.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,900.64 : 10,354.44 = 3,198.70 : x
  2. Step 2: Convert to fraction form
    6,900.64/10,354.44 = 3,198.70/x
  3. Step 3: Cross multiply
    6,900.64x = 10,354.44 × 3,198.70
  4. Step 4: Simplify right side
    6,900.64x = 33,120,747.23
  5. Step 5: Solve for x
    x = 33,120,747.23/6,900.64
  6. Step 6: Final answer
    x = 4,799.66

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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.