Home / 5,198.54-7,799.75-3,120.04

Finding the Fourth Proportional to 5,198.54, 7,799.75 and 3,120.04

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Solution

The fourth proportional to 5,198.54, 7,799.75 and 3,120.04 is: 4,681.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,198.54 : 7,799.75 = 3,120.04 : x
  2. Step 2: Convert to fraction form
    5,198.54/7,799.75 = 3,120.04/x
  3. Step 3: Cross multiply
    5,198.54x = 7,799.75 × 3,120.04
  4. Step 4: Simplify right side
    5,198.54x = 24,335,531.99
  5. Step 5: Solve for x
    x = 24,335,531.99/5,198.54
  6. Step 6: Final answer
    x = 4,681.22

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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.