Home / 5,321.32-7,343.82-3,083.80

Finding the Fourth Proportional to 5,321.32, 7,343.82 and 3,083.80

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Solution

The fourth proportional to 5,321.32, 7,343.82 and 3,083.80 is: 4,255.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,321.32 : 7,343.82 = 3,083.80 : x
  2. Step 2: Convert to fraction form
    5,321.32/7,343.82 = 3,083.80/x
  3. Step 3: Cross multiply
    5,321.32x = 7,343.82 × 3,083.80
  4. Step 4: Simplify right side
    5,321.32x = 22,646,872.12
  5. Step 5: Solve for x
    x = 22,646,872.12/5,321.32
  6. Step 6: Final answer
    x = 4,255.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.