Home / 5,408.20-8,094.30-3,923.20

Finding the Fourth Proportional to 5,408.20, 8,094.30 and 3,923.20

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Solution

The fourth proportional to 5,408.20, 8,094.30 and 3,923.20 is: 5,871.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,408.20 : 8,094.30 = 3,923.20 : x
  2. Step 2: Convert to fraction form
    5,408.20/8,094.30 = 3,923.20/x
  3. Step 3: Cross multiply
    5,408.20x = 8,094.30 × 3,923.20
  4. Step 4: Simplify right side
    5,408.20x = 31,755,557.76
  5. Step 5: Solve for x
    x = 31,755,557.76/5,408.20
  6. Step 6: Final answer
    x = 5,871.74

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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.