Home / 5,757.75-8,637.57-1,861.38

Finding the Fourth Proportional to 5,757.75, 8,637.57 and 1,861.38

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Solution

The fourth proportional to 5,757.75, 8,637.57 and 1,861.38 is: 2,792.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,757.75 : 8,637.57 = 1,861.38 : x
  2. Step 2: Convert to fraction form
    5,757.75/8,637.57 = 1,861.38/x
  3. Step 3: Cross multiply
    5,757.75x = 8,637.57 × 1,861.38
  4. Step 4: Simplify right side
    5,757.75x = 16,077,800.05
  5. Step 5: Solve for x
    x = 16,077,800.05/5,757.75
  6. Step 6: Final answer
    x = 2,792.38

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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.