Home / 5,497.20-8,247.86-2,209.87

Finding the Fourth Proportional to 5,497.20, 8,247.86 and 2,209.87

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Solution

The fourth proportional to 5,497.20, 8,247.86 and 2,209.87 is: 3,315.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,497.20 : 8,247.86 = 2,209.87 : x
  2. Step 2: Convert to fraction form
    5,497.20/8,247.86 = 2,209.87/x
  3. Step 3: Cross multiply
    5,497.20x = 8,247.86 × 2,209.87
  4. Step 4: Simplify right side
    5,497.20x = 18,226,698.38
  5. Step 5: Solve for x
    x = 18,226,698.38/5,497.20
  6. Step 6: Final answer
    x = 3,315.63

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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.