Home / 5,321.72-7,343.06-3,083.88

Finding the Fourth Proportional to 5,321.72, 7,343.06 and 3,083.88

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Solution

The fourth proportional to 5,321.72, 7,343.06 and 3,083.88 is: 4,255.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,321.72 : 7,343.06 = 3,083.88 : x
  2. Step 2: Convert to fraction form
    5,321.72/7,343.06 = 3,083.88/x
  3. Step 3: Cross multiply
    5,321.72x = 7,343.06 × 3,083.88
  4. Step 4: Simplify right side
    5,321.72x = 22,645,115.87
  5. Step 5: Solve for x
    x = 22,645,115.87/5,321.72
  6. Step 6: Final answer
    x = 4,255.22

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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.