Home / 5,400.82-8,101.84-1,702.06

Finding the Fourth Proportional to 5,400.82, 8,101.84 and 1,702.06

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Solution

The fourth proportional to 5,400.82, 8,101.84 and 1,702.06 is: 2,553.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,400.82 : 8,101.84 = 1,702.06 : x
  2. Step 2: Convert to fraction form
    5,400.82/8,101.84 = 1,702.06/x
  3. Step 3: Cross multiply
    5,400.82x = 8,101.84 × 1,702.06
  4. Step 4: Simplify right side
    5,400.82x = 13,789,817.79
  5. Step 5: Solve for x
    x = 13,789,817.79/5,400.82
  6. Step 6: Final answer
    x = 2,553.28

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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.