Home / 5,665.05-8,487.98-3,469.19

Finding the Fourth Proportional to 5,665.05, 8,487.98 and 3,469.19

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Solution

The fourth proportional to 5,665.05, 8,487.98 and 3,469.19 is: 5,197.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,665.05 : 8,487.98 = 3,469.19 : x
  2. Step 2: Convert to fraction form
    5,665.05/8,487.98 = 3,469.19/x
  3. Step 3: Cross multiply
    5,665.05x = 8,487.98 × 3,469.19
  4. Step 4: Simplify right side
    5,665.05x = 29,446,415.34
  5. Step 5: Solve for x
    x = 29,446,415.34/5,665.05
  6. Step 6: Final answer
    x = 5,197.91

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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.