Home / 5,198.17-7,799.19-3,119.66

Finding the Fourth Proportional to 5,198.17, 7,799.19 and 3,119.66

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Solution

The fourth proportional to 5,198.17, 7,799.19 and 3,119.66 is: 4,680.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,198.17 : 7,799.19 = 3,119.66 : x
  2. Step 2: Convert to fraction form
    5,198.17/7,799.19 = 3,119.66/x
  3. Step 3: Cross multiply
    5,198.17x = 7,799.19 × 3,119.66
  4. Step 4: Simplify right side
    5,198.17x = 24,330,832.77
  5. Step 5: Solve for x
    x = 24,330,832.77/5,198.17
  6. Step 6: Final answer
    x = 4,680.66

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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.