Home / 4,827.57-6,661.89-2,731.70

Finding the Fourth Proportional to 4,827.57, 6,661.89 and 2,731.70

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Solution

The fourth proportional to 4,827.57, 6,661.89 and 2,731.70 is: 3,769.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,827.57 : 6,661.89 = 2,731.70 : x
  2. Step 2: Convert to fraction form
    4,827.57/6,661.89 = 2,731.70/x
  3. Step 3: Cross multiply
    4,827.57x = 6,661.89 × 2,731.70
  4. Step 4: Simplify right side
    4,827.57x = 18,198,251.60
  5. Step 5: Solve for x
    x = 18,198,251.60/4,827.57
  6. Step 6: Final answer
    x = 3,769.65

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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.