Home / 5,422.21-7,483.76-3,185.26

Finding the Fourth Proportional to 5,422.21, 7,483.76 and 3,185.26

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Solution

The fourth proportional to 5,422.21, 7,483.76 and 3,185.26 is: 4,396.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,422.21 : 7,483.76 = 3,185.26 : x
  2. Step 2: Convert to fraction form
    5,422.21/7,483.76 = 3,185.26/x
  3. Step 3: Cross multiply
    5,422.21x = 7,483.76 × 3,185.26
  4. Step 4: Simplify right side
    5,422.21x = 23,837,698.69
  5. Step 5: Solve for x
    x = 23,837,698.69/5,422.21
  6. Step 6: Final answer
    x = 4,396.31

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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.