Home / 7,719.85-11,571.97-3,043.16

Finding the Fourth Proportional to 7,719.85, 11,571.97 and 3,043.16

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Solution

The fourth proportional to 7,719.85, 11,571.97 and 3,043.16 is: 4,561.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,719.85 : 11,571.97 = 3,043.16 : x
  2. Step 2: Convert to fraction form
    7,719.85/11,571.97 = 3,043.16/x
  3. Step 3: Cross multiply
    7,719.85x = 11,571.97 × 3,043.16
  4. Step 4: Simplify right side
    7,719.85x = 35,215,356.23
  5. Step 5: Solve for x
    x = 35,215,356.23/7,719.85
  6. Step 6: Final answer
    x = 4,561.66

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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.