Home / 4,791.80-6,609.12-4,231.28

Finding the Fourth Proportional to 4,791.80, 6,609.12 and 4,231.28

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Solution

The fourth proportional to 4,791.80, 6,609.12 and 4,231.28 is: 5,836.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,791.80 : 6,609.12 = 4,231.28 : x
  2. Step 2: Convert to fraction form
    4,791.80/6,609.12 = 4,231.28/x
  3. Step 3: Cross multiply
    4,791.80x = 6,609.12 × 4,231.28
  4. Step 4: Simplify right side
    4,791.80x = 27,965,037.27
  5. Step 5: Solve for x
    x = 27,965,037.27/4,791.80
  6. Step 6: Final answer
    x = 5,836.02

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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.