Home / 5,553.36-7,662.96-3,456.72

Finding the Fourth Proportional to 5,553.36, 7,662.96 and 3,456.72

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Solution

The fourth proportional to 5,553.36, 7,662.96 and 3,456.72 is: 4,769.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,553.36 : 7,662.96 = 3,456.72 : x
  2. Step 2: Convert to fraction form
    5,553.36/7,662.96 = 3,456.72/x
  3. Step 3: Cross multiply
    5,553.36x = 7,662.96 × 3,456.72
  4. Step 4: Simplify right side
    5,553.36x = 26,488,707.09
  5. Step 5: Solve for x
    x = 26,488,707.09/5,553.36
  6. Step 6: Final answer
    x = 4,769.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.