Home / 7,198.17-9,933.65-3,968.09

Finding the Fourth Proportional to 7,198.17, 9,933.65 and 3,968.09

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Solution

The fourth proportional to 7,198.17, 9,933.65 and 3,968.09 is: 5,476.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,198.17 : 9,933.65 = 3,968.09 : x
  2. Step 2: Convert to fraction form
    7,198.17/9,933.65 = 3,968.09/x
  3. Step 3: Cross multiply
    7,198.17x = 9,933.65 × 3,968.09
  4. Step 4: Simplify right side
    7,198.17x = 39,417,617.23
  5. Step 5: Solve for x
    x = 39,417,617.23/7,198.17
  6. Step 6: Final answer
    x = 5,476.06

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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.