Home / 5,456.43-8,185.96-1,759.01

Finding the Fourth Proportional to 5,456.43, 8,185.96 and 1,759.01

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Solution

The fourth proportional to 5,456.43, 8,185.96 and 1,759.01 is: 2,638.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,456.43 : 8,185.96 = 1,759.01 : x
  2. Step 2: Convert to fraction form
    5,456.43/8,185.96 = 1,759.01/x
  3. Step 3: Cross multiply
    5,456.43x = 8,185.96 × 1,759.01
  4. Step 4: Simplify right side
    5,456.43x = 14,399,185.50
  5. Step 5: Solve for x
    x = 14,399,185.50/5,456.43
  6. Step 6: Final answer
    x = 2,638.94

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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.