Home / 4,087.45-6,129.62-1,745.98

Finding the Fourth Proportional to 4,087.45, 6,129.62 and 1,745.98

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Solution

The fourth proportional to 4,087.45, 6,129.62 and 1,745.98 is: 2,618.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,087.45 : 6,129.62 = 1,745.98 : x
  2. Step 2: Convert to fraction form
    4,087.45/6,129.62 = 1,745.98/x
  3. Step 3: Cross multiply
    4,087.45x = 6,129.62 × 1,745.98
  4. Step 4: Simplify right side
    4,087.45x = 10,702,193.93
  5. Step 5: Solve for x
    x = 10,702,193.93/4,087.45
  6. Step 6: Final answer
    x = 2,618.31

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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.