Home / 5,321.25-7,343.34-3,083.56

Finding the Fourth Proportional to 5,321.25, 7,343.34 and 3,083.56

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Solution

The fourth proportional to 5,321.25, 7,343.34 and 3,083.56 is: 4,255.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,321.25 : 7,343.34 = 3,083.56 : x
  2. Step 2: Convert to fraction form
    5,321.25/7,343.34 = 3,083.56/x
  3. Step 3: Cross multiply
    5,321.25x = 7,343.34 × 3,083.56
  4. Step 4: Simplify right side
    5,321.25x = 22,643,621.78
  5. Step 5: Solve for x
    x = 22,643,621.78/5,321.25
  6. Step 6: Final answer
    x = 4,255.32

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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.