Home / 7,939.62-11,916.72-4,046.76

Finding the Fourth Proportional to 7,939.62, 11,916.72 and 4,046.76

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Solution

The fourth proportional to 7,939.62, 11,916.72 and 4,046.76 is: 6,073.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,939.62 : 11,916.72 = 4,046.76 : x
  2. Step 2: Convert to fraction form
    7,939.62/11,916.72 = 4,046.76/x
  3. Step 3: Cross multiply
    7,939.62x = 11,916.72 × 4,046.76
  4. Step 4: Simplify right side
    7,939.62x = 48,224,105.83
  5. Step 5: Solve for x
    x = 48,224,105.83/7,939.62
  6. Step 6: Final answer
    x = 6,073.86

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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.