Home / 4,827.52-6,662.80-2,731.20

Finding the Fourth Proportional to 4,827.52, 6,662.80 and 2,731.20

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Solution

The fourth proportional to 4,827.52, 6,662.80 and 2,731.20 is: 3,769.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,827.52 : 6,662.80 = 2,731.20 : x
  2. Step 2: Convert to fraction form
    4,827.52/6,662.80 = 2,731.20/x
  3. Step 3: Cross multiply
    4,827.52x = 6,662.80 × 2,731.20
  4. Step 4: Simplify right side
    4,827.52x = 18,197,439.36
  5. Step 5: Solve for x
    x = 18,197,439.36/4,827.52
  6. Step 6: Final answer
    x = 3,769.52

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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.