Home / 6,618.38-9,924.66-3,109.38

Finding the Fourth Proportional to 6,618.38, 9,924.66 and 3,109.38

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Solution

The fourth proportional to 6,618.38, 9,924.66 and 3,109.38 is: 4,662.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,618.38 : 9,924.66 = 3,109.38 : x
  2. Step 2: Convert to fraction form
    6,618.38/9,924.66 = 3,109.38/x
  3. Step 3: Cross multiply
    6,618.38x = 9,924.66 × 3,109.38
  4. Step 4: Simplify right side
    6,618.38x = 30,859,572.71
  5. Step 5: Solve for x
    x = 30,859,572.71/6,618.38
  6. Step 6: Final answer
    x = 4,662.71

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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.