Home / 5,198.22-7,799.18-2,278.58

Finding the Fourth Proportional to 5,198.22, 7,799.18 and 2,278.58

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Solution

The fourth proportional to 5,198.22, 7,799.18 and 2,278.58 is: 3,418.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,198.22 : 7,799.18 = 2,278.58 : x
  2. Step 2: Convert to fraction form
    5,198.22/7,799.18 = 2,278.58/x
  3. Step 3: Cross multiply
    5,198.22x = 7,799.18 × 2,278.58
  4. Step 4: Simplify right side
    5,198.22x = 17,771,005.18
  5. Step 5: Solve for x
    x = 17,771,005.18/5,198.22
  6. Step 6: Final answer
    x = 3,418.67

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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.