Home / 5,811.54-8,020.56-3,453.90

Finding the Fourth Proportional to 5,811.54, 8,020.56 and 3,453.90

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Solution

The fourth proportional to 5,811.54, 8,020.56 and 3,453.90 is: 4,766.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,811.54 : 8,020.56 = 3,453.90 : x
  2. Step 2: Convert to fraction form
    5,811.54/8,020.56 = 3,453.90/x
  3. Step 3: Cross multiply
    5,811.54x = 8,020.56 × 3,453.90
  4. Step 4: Simplify right side
    5,811.54x = 27,702,212.18
  5. Step 5: Solve for x
    x = 27,702,212.18/5,811.54
  6. Step 6: Final answer
    x = 4,766.76

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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.