Home / 7,827.79-11,738.43-5,363.38

Finding the Fourth Proportional to 7,827.79, 11,738.43 and 5,363.38

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Solution

The fourth proportional to 7,827.79, 11,738.43 and 5,363.38 is: 8,042.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,827.79 : 11,738.43 = 5,363.38 : x
  2. Step 2: Convert to fraction form
    7,827.79/11,738.43 = 5,363.38/x
  3. Step 3: Cross multiply
    7,827.79x = 11,738.43 × 5,363.38
  4. Step 4: Simplify right side
    7,827.79x = 62,957,660.69
  5. Step 5: Solve for x
    x = 62,957,660.69/7,827.79
  6. Step 6: Final answer
    x = 8,042.84

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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.