Home / 7,736.76-11,589.80-3,571.02

Finding the Fourth Proportional to 7,736.76, 11,589.80 and 3,571.02

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Solution

The fourth proportional to 7,736.76, 11,589.80 and 3,571.02 is: 5,349.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,736.76 : 11,589.80 = 3,571.02 : x
  2. Step 2: Convert to fraction form
    7,736.76/11,589.80 = 3,571.02/x
  3. Step 3: Cross multiply
    7,736.76x = 11,589.80 × 3,571.02
  4. Step 4: Simplify right side
    7,736.76x = 41,387,389.74
  5. Step 5: Solve for x
    x = 41,387,389.74/7,736.76
  6. Step 6: Final answer
    x = 5,349.45

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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.