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Finding the Fourth Proportional to 4,917.67, 7,369.94 and 1,794.74

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Solution

The fourth proportional to 4,917.67, 7,369.94 and 1,794.74 is: 2,689.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,917.67 : 7,369.94 = 1,794.74 : x
  2. Step 2: Convert to fraction form
    4,917.67/7,369.94 = 1,794.74/x
  3. Step 3: Cross multiply
    4,917.67x = 7,369.94 × 1,794.74
  4. Step 4: Simplify right side
    4,917.67x = 13,227,117.14
  5. Step 5: Solve for x
    x = 13,227,117.14/4,917.67
  6. Step 6: Final answer
    x = 2,689.71

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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.