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Finding the Fourth Proportional to 5,347.69, 8,018.12 and 2,229.86

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Solution

The fourth proportional to 5,347.69, 8,018.12 and 2,229.86 is: 3,343.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,347.69 : 8,018.12 = 2,229.86 : x
  2. Step 2: Convert to fraction form
    5,347.69/8,018.12 = 2,229.86/x
  3. Step 3: Cross multiply
    5,347.69x = 8,018.12 × 2,229.86
  4. Step 4: Simplify right side
    5,347.69x = 17,879,310.68
  5. Step 5: Solve for x
    x = 17,879,310.68/5,347.69
  6. Step 6: Final answer
    x = 3,343.37

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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.