Home / 8,889.20-13,333.82-3,045.86

Finding the Fourth Proportional to 8,889.20, 13,333.82 and 3,045.86

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Solution

The fourth proportional to 8,889.20, 13,333.82 and 3,045.86 is: 4,568.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,889.20 : 13,333.82 = 3,045.86 : x
  2. Step 2: Convert to fraction form
    8,889.20/13,333.82 = 3,045.86/x
  3. Step 3: Cross multiply
    8,889.20x = 13,333.82 × 3,045.86
  4. Step 4: Simplify right side
    8,889.20x = 40,612,867.09
  5. Step 5: Solve for x
    x = 40,612,867.09/8,889.20
  6. Step 6: Final answer
    x = 4,568.79

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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.