Home / 5,398.44-8,099.24-2,279.76

Finding the Fourth Proportional to 5,398.44, 8,099.24 and 2,279.76

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Solution

The fourth proportional to 5,398.44, 8,099.24 and 2,279.76 is: 3,420.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,398.44 : 8,099.24 = 2,279.76 : x
  2. Step 2: Convert to fraction form
    5,398.44/8,099.24 = 2,279.76/x
  3. Step 3: Cross multiply
    5,398.44x = 8,099.24 × 2,279.76
  4. Step 4: Simplify right side
    5,398.44x = 18,464,323.38
  5. Step 5: Solve for x
    x = 18,464,323.38/5,398.44
  6. Step 6: Final answer
    x = 3,420.31

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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.