Home / 4,827.61-6,661.92-2,731.78

Finding the Fourth Proportional to 4,827.61, 6,661.92 and 2,731.78

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Solution

The fourth proportional to 4,827.61, 6,661.92 and 2,731.78 is: 3,769.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,827.61 : 6,661.92 = 2,731.78 : x
  2. Step 2: Convert to fraction form
    4,827.61/6,661.92 = 2,731.78/x
  3. Step 3: Cross multiply
    4,827.61x = 6,661.92 × 2,731.78
  4. Step 4: Simplify right side
    4,827.61x = 18,198,899.82
  5. Step 5: Solve for x
    x = 18,198,899.82/4,827.61
  6. Step 6: Final answer
    x = 3,769.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.