Home / 6,616.72-9,921.57-2,914.66

Finding the Fourth Proportional to 6,616.72, 9,921.57 and 2,914.66

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Solution

The fourth proportional to 6,616.72, 9,921.57 and 2,914.66 is: 4,370.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,616.72 : 9,921.57 = 2,914.66 : x
  2. Step 2: Convert to fraction form
    6,616.72/9,921.57 = 2,914.66/x
  3. Step 3: Cross multiply
    6,616.72x = 9,921.57 × 2,914.66
  4. Step 4: Simplify right side
    6,616.72x = 28,918,003.22
  5. Step 5: Solve for x
    x = 28,918,003.22/6,616.72
  6. Step 6: Final answer
    x = 4,370.44

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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.