Home / 6,320.90-9,476.46-3,198.38

Finding the Fourth Proportional to 6,320.90, 9,476.46 and 3,198.38

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Solution

The fourth proportional to 6,320.90, 9,476.46 and 3,198.38 is: 4,795.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,320.90 : 9,476.46 = 3,198.38 : x
  2. Step 2: Convert to fraction form
    6,320.90/9,476.46 = 3,198.38/x
  3. Step 3: Cross multiply
    6,320.90x = 9,476.46 × 3,198.38
  4. Step 4: Simplify right side
    6,320.90x = 30,309,320.13
  5. Step 5: Solve for x
    x = 30,309,320.13/6,320.90
  6. Step 6: Final answer
    x = 4,795.10

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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.