Home / 5,458.33-8,188.49-3,120.97

Finding the Fourth Proportional to 5,458.33, 8,188.49 and 3,120.97

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Solution

The fourth proportional to 5,458.33, 8,188.49 and 3,120.97 is: 4,682.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,458.33 : 8,188.49 = 3,120.97 : x
  2. Step 2: Convert to fraction form
    5,458.33/8,188.49 = 3,120.97/x
  3. Step 3: Cross multiply
    5,458.33x = 8,188.49 × 3,120.97
  4. Step 4: Simplify right side
    5,458.33x = 25,556,016.03
  5. Step 5: Solve for x
    x = 25,556,016.03/5,458.33
  6. Step 6: Final answer
    x = 4,682.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.