Home / 5,408.16-8,115.48-3,743.62

Finding the Fourth Proportional to 5,408.16, 8,115.48 and 3,743.62

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Solution

The fourth proportional to 5,408.16, 8,115.48 and 3,743.62 is: 5,617.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,408.16 : 8,115.48 = 3,743.62 : x
  2. Step 2: Convert to fraction form
    5,408.16/8,115.48 = 3,743.62/x
  3. Step 3: Cross multiply
    5,408.16x = 8,115.48 × 3,743.62
  4. Step 4: Simplify right side
    5,408.16x = 30,381,273.24
  5. Step 5: Solve for x
    x = 30,381,273.24/5,408.16
  6. Step 6: Final answer
    x = 5,617.67

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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.