Home / 7,716.06-11,571.66-2,784.38

Finding the Fourth Proportional to 7,716.06, 11,571.66 and 2,784.38

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Solution

The fourth proportional to 7,716.06, 11,571.66 and 2,784.38 is: 4,175.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,716.06 : 11,571.66 = 2,784.38 : x
  2. Step 2: Convert to fraction form
    7,716.06/11,571.66 = 2,784.38/x
  3. Step 3: Cross multiply
    7,716.06x = 11,571.66 × 2,784.38
  4. Step 4: Simplify right side
    7,716.06x = 32,219,840.81
  5. Step 5: Solve for x
    x = 32,219,840.81/7,716.06
  6. Step 6: Final answer
    x = 4,175.69

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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.