Home / 5,390.54-8,086.31-1,441.72

Finding the Fourth Proportional to 5,390.54, 8,086.31 and 1,441.72

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Solution

The fourth proportional to 5,390.54, 8,086.31 and 1,441.72 is: 2,162.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,390.54 : 8,086.31 = 1,441.72 : x
  2. Step 2: Convert to fraction form
    5,390.54/8,086.31 = 1,441.72/x
  3. Step 3: Cross multiply
    5,390.54x = 8,086.31 × 1,441.72
  4. Step 4: Simplify right side
    5,390.54x = 11,658,194.85
  5. Step 5: Solve for x
    x = 11,658,194.85/5,390.54
  6. Step 6: Final answer
    x = 2,162.71

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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.