Home / 6,622.56-9,935.92-2,728.80

Finding the Fourth Proportional to 6,622.56, 9,935.92 and 2,728.80

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Solution

The fourth proportional to 6,622.56, 9,935.92 and 2,728.80 is: 4,094.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,622.56 : 9,935.92 = 2,728.80 : x
  2. Step 2: Convert to fraction form
    6,622.56/9,935.92 = 2,728.80/x
  3. Step 3: Cross multiply
    6,622.56x = 9,935.92 × 2,728.80
  4. Step 4: Simplify right side
    6,622.56x = 27,113,138.50
  5. Step 5: Solve for x
    x = 27,113,138.50/6,622.56
  6. Step 6: Final answer
    x = 4,094.06

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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.