Home / 5,027.22-7,539.80-1,906.15

Finding the Fourth Proportional to 5,027.22, 7,539.80 and 1,906.15

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Solution

The fourth proportional to 5,027.22, 7,539.80 and 1,906.15 is: 2,858.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,027.22 : 7,539.80 = 1,906.15 : x
  2. Step 2: Convert to fraction form
    5,027.22/7,539.80 = 1,906.15/x
  3. Step 3: Cross multiply
    5,027.22x = 7,539.80 × 1,906.15
  4. Step 4: Simplify right side
    5,027.22x = 14,371,989.77
  5. Step 5: Solve for x
    x = 14,371,989.77/5,027.22
  6. Step 6: Final answer
    x = 2,858.83

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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.