Home / 5,490.34-8,234.78-2,203.48

Finding the Fourth Proportional to 5,490.34, 8,234.78 and 2,203.48

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Solution

The fourth proportional to 5,490.34, 8,234.78 and 2,203.48 is: 3,304.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,490.34 : 8,234.78 = 2,203.48 : x
  2. Step 2: Convert to fraction form
    5,490.34/8,234.78 = 2,203.48/x
  3. Step 3: Cross multiply
    5,490.34x = 8,234.78 × 2,203.48
  4. Step 4: Simplify right side
    5,490.34x = 18,145,173.03
  5. Step 5: Solve for x
    x = 18,145,173.03/5,490.34
  6. Step 6: Final answer
    x = 3,304.93

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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.