Home / 7,326.87-10,991.68-2,396.78

Finding the Fourth Proportional to 7,326.87, 10,991.68 and 2,396.78

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Solution

The fourth proportional to 7,326.87, 10,991.68 and 2,396.78 is: 3,595.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,326.87 : 10,991.68 = 2,396.78 : x
  2. Step 2: Convert to fraction form
    7,326.87/10,991.68 = 2,396.78/x
  3. Step 3: Cross multiply
    7,326.87x = 10,991.68 × 2,396.78
  4. Step 4: Simplify right side
    7,326.87x = 26,344,632.80
  5. Step 5: Solve for x
    x = 26,344,632.80/7,326.87
  6. Step 6: Final answer
    x = 3,595.62

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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.