Home / 5,489.55-8,234.33-2,571.12

Finding the Fourth Proportional to 5,489.55, 8,234.33 and 2,571.12

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Solution

The fourth proportional to 5,489.55, 8,234.33 and 2,571.12 is: 3,856.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,489.55 : 8,234.33 = 2,571.12 : x
  2. Step 2: Convert to fraction form
    5,489.55/8,234.33 = 2,571.12/x
  3. Step 3: Cross multiply
    5,489.55x = 8,234.33 × 2,571.12
  4. Step 4: Simplify right side
    5,489.55x = 21,171,437.69
  5. Step 5: Solve for x
    x = 21,171,437.69/5,489.55
  6. Step 6: Final answer
    x = 3,856.68

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1.5x scale

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.