Home / 5,372.64-8,057.01-1,861.69

Finding the Fourth Proportional to 5,372.64, 8,057.01 and 1,861.69

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Solution

The fourth proportional to 5,372.64, 8,057.01 and 1,861.69 is: 2,791.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,372.64 : 8,057.01 = 1,861.69 : x
  2. Step 2: Convert to fraction form
    5,372.64/8,057.01 = 1,861.69/x
  3. Step 3: Cross multiply
    5,372.64x = 8,057.01 × 1,861.69
  4. Step 4: Simplify right side
    5,372.64x = 14,999,654.95
  5. Step 5: Solve for x
    x = 14,999,654.95/5,372.64
  6. Step 6: Final answer
    x = 2,791.86

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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.