Home / 7,728.88-11,583.81-3,563.11

Finding the Fourth Proportional to 7,728.88, 11,583.81 and 3,563.11

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Solution

The fourth proportional to 7,728.88, 11,583.81 and 3,563.11 is: 5,340.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,728.88 : 11,583.81 = 3,563.11 : x
  2. Step 2: Convert to fraction form
    7,728.88/11,583.81 = 3,563.11/x
  3. Step 3: Cross multiply
    7,728.88x = 11,583.81 × 3,563.11
  4. Step 4: Simplify right side
    7,728.88x = 41,274,331.33
  5. Step 5: Solve for x
    x = 41,274,331.33/7,728.88
  6. Step 6: Final answer
    x = 5,340.28

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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.