Home / 7,727.53-11,581.79-3,561.75

Finding the Fourth Proportional to 7,727.53, 11,581.79 and 3,561.75

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Solution

The fourth proportional to 7,727.53, 11,581.79 and 3,561.75 is: 5,338.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,727.53 : 11,581.79 = 3,561.75 : x
  2. Step 2: Convert to fraction form
    7,727.53/11,581.79 = 3,561.75/x
  3. Step 3: Cross multiply
    7,727.53x = 11,581.79 × 3,561.75
  4. Step 4: Simplify right side
    7,727.53x = 41,251,479.51
  5. Step 5: Solve for x
    x = 41,251,479.51/7,727.53
  6. Step 6: Final answer
    x = 5,338.25

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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.