Home / 7,716.44-11,580.74-3,968.07

Finding the Fourth Proportional to 7,716.44, 11,580.74 and 3,968.07

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Solution

The fourth proportional to 7,716.44, 11,580.74 and 3,968.07 is: 5,955.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,716.44 : 11,580.74 = 3,968.07 : x
  2. Step 2: Convert to fraction form
    7,716.44/11,580.74 = 3,968.07/x
  3. Step 3: Cross multiply
    7,716.44x = 11,580.74 × 3,968.07
  4. Step 4: Simplify right side
    7,716.44x = 45,953,186.97
  5. Step 5: Solve for x
    x = 45,953,186.97/7,716.44
  6. Step 6: Final answer
    x = 5,955.23

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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.