Home / 5,467.86-8,203.91-2,181.89

Finding the Fourth Proportional to 5,467.86, 8,203.91 and 2,181.89

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Solution

The fourth proportional to 5,467.86, 8,203.91 and 2,181.89 is: 3,273.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,467.86 : 8,203.91 = 2,181.89 : x
  2. Step 2: Convert to fraction form
    5,467.86/8,203.91 = 2,181.89/x
  3. Step 3: Cross multiply
    5,467.86x = 8,203.91 × 2,181.89
  4. Step 4: Simplify right side
    5,467.86x = 17,899,977.26
  5. Step 5: Solve for x
    x = 17,899,977.26/5,467.86
  6. Step 6: Final answer
    x = 3,273.67

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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.