Home / 6,231.80-8,599.92-3,579.32

Finding the Fourth Proportional to 6,231.80, 8,599.92 and 3,579.32

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Solution

The fourth proportional to 6,231.80, 8,599.92 and 3,579.32 is: 4,939.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,231.80 : 8,599.92 = 3,579.32 : x
  2. Step 2: Convert to fraction form
    6,231.80/8,599.92 = 3,579.32/x
  3. Step 3: Cross multiply
    6,231.80x = 8,599.92 × 3,579.32
  4. Step 4: Simplify right side
    6,231.80x = 30,781,865.65
  5. Step 5: Solve for x
    x = 30,781,865.65/6,231.80
  6. Step 6: Final answer
    x = 4,939.48

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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.