Home / 5,489.08-8,247.13-3,515.56

Finding the Fourth Proportional to 5,489.08, 8,247.13 and 3,515.56

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Solution

The fourth proportional to 5,489.08, 8,247.13 and 3,515.56 is: 5,281.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,489.08 : 8,247.13 = 3,515.56 : x
  2. Step 2: Convert to fraction form
    5,489.08/8,247.13 = 3,515.56/x
  3. Step 3: Cross multiply
    5,489.08x = 8,247.13 × 3,515.56
  4. Step 4: Simplify right side
    5,489.08x = 28,993,250.94
  5. Step 5: Solve for x
    x = 28,993,250.94/5,489.08
  6. Step 6: Final answer
    x = 5,281.99

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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.