Home / 7,524.69-11,286.75-3,578.79

Finding the Fourth Proportional to 7,524.69, 11,286.75 and 3,578.79

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Solution

The fourth proportional to 7,524.69, 11,286.75 and 3,578.79 is: 5,368.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,524.69 : 11,286.75 = 3,578.79 : x
  2. Step 2: Convert to fraction form
    7,524.69/11,286.75 = 3,578.79/x
  3. Step 3: Cross multiply
    7,524.69x = 11,286.75 × 3,578.79
  4. Step 4: Simplify right side
    7,524.69x = 40,392,908.03
  5. Step 5: Solve for x
    x = 40,392,908.03/7,524.69
  6. Step 6: Final answer
    x = 5,368.05

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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.