Home / 5,418.66-8,123.13-2,494.56

Finding the Fourth Proportional to 5,418.66, 8,123.13 and 2,494.56

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Solution

The fourth proportional to 5,418.66, 8,123.13 and 2,494.56 is: 3,739.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,418.66 : 8,123.13 = 2,494.56 : x
  2. Step 2: Convert to fraction form
    5,418.66/8,123.13 = 2,494.56/x
  3. Step 3: Cross multiply
    5,418.66x = 8,123.13 × 2,494.56
  4. Step 4: Simplify right side
    5,418.66x = 20,263,635.17
  5. Step 5: Solve for x
    x = 20,263,635.17/5,418.66
  6. Step 6: Final answer
    x = 3,739.60

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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.