Home / 5,427.92-8,135.37-2,796.68

Finding the Fourth Proportional to 5,427.92, 8,135.37 and 2,796.68

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Solution

The fourth proportional to 5,427.92, 8,135.37 and 2,796.68 is: 4,191.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,427.92 : 8,135.37 = 2,796.68 : x
  2. Step 2: Convert to fraction form
    5,427.92/8,135.37 = 2,796.68/x
  3. Step 3: Cross multiply
    5,427.92x = 8,135.37 × 2,796.68
  4. Step 4: Simplify right side
    5,427.92x = 22,751,985.89
  5. Step 5: Solve for x
    x = 22,751,985.89/5,427.92
  6. Step 6: Final answer
    x = 4,191.66

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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.