Home / 4,827.40-6,661.78-2,731.52

Finding the Fourth Proportional to 4,827.40, 6,661.78 and 2,731.52

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Solution

The fourth proportional to 4,827.40, 6,661.78 and 2,731.52 is: 3,769.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,827.40 : 6,661.78 = 2,731.52 : x
  2. Step 2: Convert to fraction form
    4,827.40/6,661.78 = 2,731.52/x
  3. Step 3: Cross multiply
    4,827.40x = 6,661.78 × 2,731.52
  4. Step 4: Simplify right side
    4,827.40x = 18,196,785.31
  5. Step 5: Solve for x
    x = 18,196,785.31/4,827.40
  6. Step 6: Final answer
    x = 3,769.48

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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.