Home / 5,456.29-8,186.03-1,758.44

Finding the Fourth Proportional to 5,456.29, 8,186.03 and 1,758.44

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Solution

The fourth proportional to 5,456.29, 8,186.03 and 1,758.44 is: 2,638.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,456.29 : 8,186.03 = 1,758.44 : x
  2. Step 2: Convert to fraction form
    5,456.29/8,186.03 = 1,758.44/x
  3. Step 3: Cross multiply
    5,456.29x = 8,186.03 × 1,758.44
  4. Step 4: Simplify right side
    5,456.29x = 14,394,592.87
  5. Step 5: Solve for x
    x = 14,394,592.87/5,456.29
  6. Step 6: Final answer
    x = 2,638.17

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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.