Home / 5,208.82-7,811.58-1,745.26

Finding the Fourth Proportional to 5,208.82, 7,811.58 and 1,745.26

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Solution

The fourth proportional to 5,208.82, 7,811.58 and 1,745.26 is: 2,617.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,208.82 : 7,811.58 = 1,745.26 : x
  2. Step 2: Convert to fraction form
    5,208.82/7,811.58 = 1,745.26/x
  3. Step 3: Cross multiply
    5,208.82x = 7,811.58 × 1,745.26
  4. Step 4: Simplify right side
    5,208.82x = 13,633,238.11
  5. Step 5: Solve for x
    x = 13,633,238.11/5,208.82
  6. Step 6: Final answer
    x = 2,617.34

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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.