Home / 4,799.85-7,198.37-1,679.28

Finding the Fourth Proportional to 4,799.85, 7,198.37 and 1,679.28

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Solution

The fourth proportional to 4,799.85, 7,198.37 and 1,679.28 is: 2,518.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,799.85 : 7,198.37 = 1,679.28 : x
  2. Step 2: Convert to fraction form
    4,799.85/7,198.37 = 1,679.28/x
  3. Step 3: Cross multiply
    4,799.85x = 7,198.37 × 1,679.28
  4. Step 4: Simplify right side
    4,799.85x = 12,088,034.39
  5. Step 5: Solve for x
    x = 12,088,034.39/4,799.85
  6. Step 6: Final answer
    x = 2,518.42

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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.