Home / 5,481.42-8,223.34-2,558.13

Finding the Fourth Proportional to 5,481.42, 8,223.34 and 2,558.13

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Solution

The fourth proportional to 5,481.42, 8,223.34 and 2,558.13 is: 3,837.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,481.42 : 8,223.34 = 2,558.13 : x
  2. Step 2: Convert to fraction form
    5,481.42/8,223.34 = 2,558.13/x
  3. Step 3: Cross multiply
    5,481.42x = 8,223.34 × 2,558.13
  4. Step 4: Simplify right side
    5,481.42x = 21,036,325.24
  5. Step 5: Solve for x
    x = 21,036,325.24/5,481.42
  6. Step 6: Final answer
    x = 3,837.75

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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.