Home / 4,576.86-6,869.39-3,191.19

Finding the Fourth Proportional to 4,576.86, 6,869.39 and 3,191.19

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Solution

The fourth proportional to 4,576.86, 6,869.39 and 3,191.19 is: 4,789.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,576.86 : 6,869.39 = 3,191.19 : x
  2. Step 2: Convert to fraction form
    4,576.86/6,869.39 = 3,191.19/x
  3. Step 3: Cross multiply
    4,576.86x = 6,869.39 × 3,191.19
  4. Step 4: Simplify right side
    4,576.86x = 21,921,512.72
  5. Step 5: Solve for x
    x = 21,921,512.72/4,576.86
  6. Step 6: Final answer
    x = 4,789.64

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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.