Home / 5,490.35-8,235.45-2,203.38

Finding the Fourth Proportional to 5,490.35, 8,235.45 and 2,203.38

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Solution

The fourth proportional to 5,490.35, 8,235.45 and 2,203.38 is: 3,305.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,490.35 : 8,235.45 = 2,203.38 : x
  2. Step 2: Convert to fraction form
    5,490.35/8,235.45 = 2,203.38/x
  3. Step 3: Cross multiply
    5,490.35x = 8,235.45 × 2,203.38
  4. Step 4: Simplify right side
    5,490.35x = 18,145,825.82
  5. Step 5: Solve for x
    x = 18,145,825.82/5,490.35
  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.