Home / 11,260.45-16,889.16-2,939.79

Finding the Fourth Proportional to 11,260.45, 16,889.16 and 2,939.79

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Solution

The fourth proportional to 11,260.45, 16,889.16 and 2,939.79 is: 4,409.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,260.45 : 16,889.16 = 2,939.79 : x
  2. Step 2: Convert to fraction form
    11,260.45/16,889.16 = 2,939.79/x
  3. Step 3: Cross multiply
    11,260.45x = 16,889.16 × 2,939.79
  4. Step 4: Simplify right side
    11,260.45x = 49,650,641.50
  5. Step 5: Solve for x
    x = 49,650,641.50/11,260.45
  6. Step 6: Final answer
    x = 4,409.29

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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.