Home / 5,408.76-8,106.07-2,774.03

Finding the Fourth Proportional to 5,408.76, 8,106.07 and 2,774.03

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Solution

The fourth proportional to 5,408.76, 8,106.07 and 2,774.03 is: 4,157.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,408.76 : 8,106.07 = 2,774.03 : x
  2. Step 2: Convert to fraction form
    5,408.76/8,106.07 = 2,774.03/x
  3. Step 3: Cross multiply
    5,408.76x = 8,106.07 × 2,774.03
  4. Step 4: Simplify right side
    5,408.76x = 22,486,481.36
  5. Step 5: Solve for x
    x = 22,486,481.36/5,408.76
  6. Step 6: Final answer
    x = 4,157.42

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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.