Home / 5,112.73-7,661.67-2,916.82

Finding the Fourth Proportional to 5,112.73, 7,661.67 and 2,916.82

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Solution

The fourth proportional to 5,112.73, 7,661.67 and 2,916.82 is: 4,370.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,112.73 : 7,661.67 = 2,916.82 : x
  2. Step 2: Convert to fraction form
    5,112.73/7,661.67 = 2,916.82/x
  3. Step 3: Cross multiply
    5,112.73x = 7,661.67 × 2,916.82
  4. Step 4: Simplify right side
    5,112.73x = 22,347,712.29
  5. Step 5: Solve for x
    x = 22,347,712.29/5,112.73
  6. Step 6: Final answer
    x = 4,370.99

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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.