Home / 5,221.96-7,832.95-1,326.36

Finding the Fourth Proportional to 5,221.96, 7,832.95 and 1,326.36

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Solution

The fourth proportional to 5,221.96, 7,832.95 and 1,326.36 is: 1,989.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,221.96 : 7,832.95 = 1,326.36 : x
  2. Step 2: Convert to fraction form
    5,221.96/7,832.95 = 1,326.36/x
  3. Step 3: Cross multiply
    5,221.96x = 7,832.95 × 1,326.36
  4. Step 4: Simplify right side
    5,221.96x = 10,389,311.56
  5. Step 5: Solve for x
    x = 10,389,311.56/5,221.96
  6. Step 6: Final answer
    x = 1,989.54

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Similar ratio
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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.