Home / 7,093.28-9,789.18-3,949.94

Finding the Fourth Proportional to 7,093.28, 9,789.18 and 3,949.94

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Solution

The fourth proportional to 7,093.28, 9,789.18 and 3,949.94 is: 5,451.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,093.28 : 9,789.18 = 3,949.94 : x
  2. Step 2: Convert to fraction form
    7,093.28/9,789.18 = 3,949.94/x
  3. Step 3: Cross multiply
    7,093.28x = 9,789.18 × 3,949.94
  4. Step 4: Simplify right side
    7,093.28x = 38,666,673.65
  5. Step 5: Solve for x
    x = 38,666,673.65/7,093.28
  6. Step 6: Final answer
    x = 5,451.17

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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.