Home / 5,110.96-7,664.82-2,188.48

Finding the Fourth Proportional to 5,110.96, 7,664.82 and 2,188.48

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Solution

The fourth proportional to 5,110.96, 7,664.82 and 2,188.48 is: 3,282.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,110.96 : 7,664.82 = 2,188.48 : x
  2. Step 2: Convert to fraction form
    5,110.96/7,664.82 = 2,188.48/x
  3. Step 3: Cross multiply
    5,110.96x = 7,664.82 × 2,188.48
  4. Step 4: Simplify right side
    5,110.96x = 16,774,305.27
  5. Step 5: Solve for x
    x = 16,774,305.27/5,110.96
  6. Step 6: Final answer
    x = 3,282.03

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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.