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Finding the Fourth Proportional to 5,553.36, 7,664.04 and 3,195.54

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Solution

The fourth proportional to 5,553.36, 7,664.04 and 3,195.54 is: 4,410.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,553.36 : 7,664.04 = 3,195.54 : x
  2. Step 2: Convert to fraction form
    5,553.36/7,664.04 = 3,195.54/x
  3. Step 3: Cross multiply
    5,553.36x = 7,664.04 × 3,195.54
  4. Step 4: Simplify right side
    5,553.36x = 24,490,746.38
  5. Step 5: Solve for x
    x = 24,490,746.38/5,553.36
  6. Step 6: Final answer
    x = 4,410.08

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Double scale
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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.