Home / 5,372.67-8,055.68-1,861.86

Finding the Fourth Proportional to 5,372.67, 8,055.68 and 1,861.86

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Solution

The fourth proportional to 5,372.67, 8,055.68 and 1,861.86 is: 2,791.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,372.67 : 8,055.68 = 1,861.86 : x
  2. Step 2: Convert to fraction form
    5,372.67/8,055.68 = 1,861.86/x
  3. Step 3: Cross multiply
    5,372.67x = 8,055.68 × 1,861.86
  4. Step 4: Simplify right side
    5,372.67x = 14,998,498.78
  5. Step 5: Solve for x
    x = 14,998,498.78/5,372.67
  6. Step 6: Final answer
    x = 2,791.63

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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.