Home / 4,680.24-6,979.76-3,991.33

Finding the Fourth Proportional to 4,680.24, 6,979.76 and 3,991.33

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Solution

The fourth proportional to 4,680.24, 6,979.76 and 3,991.33 is: 5,952.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,680.24 : 6,979.76 = 3,991.33 : x
  2. Step 2: Convert to fraction form
    4,680.24/6,979.76 = 3,991.33/x
  3. Step 3: Cross multiply
    4,680.24x = 6,979.76 × 3,991.33
  4. Step 4: Simplify right side
    4,680.24x = 27,858,525.48
  5. Step 5: Solve for x
    x = 27,858,525.48/4,680.24
  6. Step 6: Final answer
    x = 5,952.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.