Home / 7,198.90-10,801.33-3,448.78

Finding the Fourth Proportional to 7,198.90, 10,801.33 and 3,448.78

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Solution

The fourth proportional to 7,198.90, 10,801.33 and 3,448.78 is: 5,174.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,198.90 : 10,801.33 = 3,448.78 : x
  2. Step 2: Convert to fraction form
    7,198.90/10,801.33 = 3,448.78/x
  3. Step 3: Cross multiply
    7,198.90x = 10,801.33 × 3,448.78
  4. Step 4: Simplify right side
    7,198.90x = 37,251,410.88
  5. Step 5: Solve for x
    x = 37,251,410.88/7,198.90
  6. Step 6: Final answer
    x = 5,174.60

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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.