Home / 4,799.36-7,198.58-1,678.79

Finding the Fourth Proportional to 4,799.36, 7,198.58 and 1,678.79

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Solution

The fourth proportional to 4,799.36, 7,198.58 and 1,678.79 is: 2,518.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,799.36 : 7,198.58 = 1,678.79 : x
  2. Step 2: Convert to fraction form
    4,799.36/7,198.58 = 1,678.79/x
  3. Step 3: Cross multiply
    4,799.36x = 7,198.58 × 1,678.79
  4. Step 4: Simplify right side
    4,799.36x = 12,084,859.73
  5. Step 5: Solve for x
    x = 12,084,859.73/4,799.36
  6. Step 6: Final answer
    x = 2,518.02

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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.