Home / 4,827.92-6,661.72-2,731.60

Finding the Fourth Proportional to 4,827.92, 6,661.72 and 2,731.60

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Solution

The fourth proportional to 4,827.92, 6,661.72 and 2,731.60 is: 3,769.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,827.92 : 6,661.72 = 2,731.60 : x
  2. Step 2: Convert to fraction form
    4,827.92/6,661.72 = 2,731.60/x
  3. Step 3: Cross multiply
    4,827.92x = 6,661.72 × 2,731.60
  4. Step 4: Simplify right side
    4,827.92x = 18,197,154.35
  5. Step 5: Solve for x
    x = 18,197,154.35/4,827.92
  6. Step 6: Final answer
    x = 3,769.15

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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.