Home / 5,456.74-8,183.72-1,759.36

Finding the Fourth Proportional to 5,456.74, 8,183.72 and 1,759.36

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Solution

The fourth proportional to 5,456.74, 8,183.72 and 1,759.36 is: 2,638.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,456.74 : 8,183.72 = 1,759.36 : x
  2. Step 2: Convert to fraction form
    5,456.74/8,183.72 = 1,759.36/x
  3. Step 3: Cross multiply
    5,456.74x = 8,183.72 × 1,759.36
  4. Step 4: Simplify right side
    5,456.74x = 14,398,109.62
  5. Step 5: Solve for x
    x = 14,398,109.62/5,456.74
  6. Step 6: Final answer
    x = 2,638.59

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1.5x scale

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.