Home / 5,781.85-8,669.29-2,814.44

Finding the Fourth Proportional to 5,781.85, 8,669.29 and 2,814.44

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Solution

The fourth proportional to 5,781.85, 8,669.29 and 2,814.44 is: 4,219.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,781.85 : 8,669.29 = 2,814.44 : x
  2. Step 2: Convert to fraction form
    5,781.85/8,669.29 = 2,814.44/x
  3. Step 3: Cross multiply
    5,781.85x = 8,669.29 × 2,814.44
  4. Step 4: Simplify right side
    5,781.85x = 24,399,196.55
  5. Step 5: Solve for x
    x = 24,399,196.55/5,781.85
  6. Step 6: Final answer
    x = 4,219.96

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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.