Home / 7,961.09-11,933.39-3,581.62

Finding the Fourth Proportional to 7,961.09, 11,933.39 and 3,581.62

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Solution

The fourth proportional to 7,961.09, 11,933.39 and 3,581.62 is: 5,368.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,961.09 : 11,933.39 = 3,581.62 : x
  2. Step 2: Convert to fraction form
    7,961.09/11,933.39 = 3,581.62/x
  3. Step 3: Cross multiply
    7,961.09x = 11,933.39 × 3,581.62
  4. Step 4: Simplify right side
    7,961.09x = 42,740,847.41
  5. Step 5: Solve for x
    x = 42,740,847.41/7,961.09
  6. Step 6: Final answer
    x = 5,368.72

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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.