Home / 4,827.36-6,661.44-2,731.20

Finding the Fourth Proportional to 4,827.36, 6,661.44 and 2,731.20

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Solution

The fourth proportional to 4,827.36, 6,661.44 and 2,731.20 is: 3,768.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,827.36 : 6,661.44 = 2,731.20 : x
  2. Step 2: Convert to fraction form
    4,827.36/6,661.44 = 2,731.20/x
  3. Step 3: Cross multiply
    4,827.36x = 6,661.44 × 2,731.20
  4. Step 4: Simplify right side
    4,827.36x = 18,193,724.93
  5. Step 5: Solve for x
    x = 18,193,724.93/4,827.36
  6. Step 6: Final answer
    x = 3,768.88

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1.5x scale

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.