Home / 5,911.29-8,161.58-3,676.61

Finding the Fourth Proportional to 5,911.29, 8,161.58 and 3,676.61

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Solution

The fourth proportional to 5,911.29, 8,161.58 and 3,676.61 is: 5,076.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,911.29 : 8,161.58 = 3,676.61 : x
  2. Step 2: Convert to fraction form
    5,911.29/8,161.58 = 3,676.61/x
  3. Step 3: Cross multiply
    5,911.29x = 8,161.58 × 3,676.61
  4. Step 4: Simplify right side
    5,911.29x = 30,006,887.45
  5. Step 5: Solve for x
    x = 30,006,887.45/5,911.29
  6. Step 6: Final answer
    x = 5,076.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.