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Finding the Fourth Proportional to 5,488, 8,232 and 2,203.36

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Solution

The fourth proportional to 5,488, 8,232 and 2,203.36 is: 3,305.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,488 : 8,232 = 2,203.36 : x
  2. Step 2: Convert to fraction form
    5,488/8,232 = 2,203.36/x
  3. Step 3: Cross multiply
    5,488x = 8,232 × 2,203.36
  4. Step 4: Simplify right side
    5,488x = 18,138,059.52
  5. Step 5: Solve for x
    x = 18,138,059.52/5,488
  6. Step 6: Final answer
    x = 3,305.04

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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.