Home / 5,371.56-8,057.69-1,861.92

Finding the Fourth Proportional to 5,371.56, 8,057.69 and 1,861.92

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Solution

The fourth proportional to 5,371.56, 8,057.69 and 1,861.92 is: 2,793.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,371.56 : 8,057.69 = 1,861.92 : x
  2. Step 2: Convert to fraction form
    5,371.56/8,057.69 = 1,861.92/x
  3. Step 3: Cross multiply
    5,371.56x = 8,057.69 × 1,861.92
  4. Step 4: Simplify right side
    5,371.56x = 15,002,774.16
  5. Step 5: Solve for x
    x = 15,002,774.16/5,371.56
  6. Step 6: Final answer
    x = 2,793.00

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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.