Home / 7,093.20-9,788.65-3,949.39

Finding the Fourth Proportional to 7,093.20, 9,788.65 and 3,949.39

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Solution

The fourth proportional to 7,093.20, 9,788.65 and 3,949.39 is: 5,450.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,093.20 : 9,788.65 = 3,949.39 : x
  2. Step 2: Convert to fraction form
    7,093.20/9,788.65 = 3,949.39/x
  3. Step 3: Cross multiply
    7,093.20x = 9,788.65 × 3,949.39
  4. Step 4: Simplify right side
    7,093.20x = 38,659,198.79
  5. Step 5: Solve for x
    x = 38,659,198.79/7,093.20
  6. Step 6: Final answer
    x = 5,450.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.