Home / 5,456.44-8,188.44-2,169.19

Finding the Fourth Proportional to 5,456.44, 8,188.44 and 2,169.19

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Solution

The fourth proportional to 5,456.44, 8,188.44 and 2,169.19 is: 3,255.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,456.44 : 8,188.44 = 2,169.19 : x
  2. Step 2: Convert to fraction form
    5,456.44/8,188.44 = 2,169.19/x
  3. Step 3: Cross multiply
    5,456.44x = 8,188.44 × 2,169.19
  4. Step 4: Simplify right side
    5,456.44x = 17,762,282.16
  5. Step 5: Solve for x
    x = 17,762,282.16/5,456.44
  6. Step 6: Final answer
    x = 3,255.29

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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.