Home / 4,291.44-6,422.58-3,321.87

Finding the Fourth Proportional to 4,291.44, 6,422.58 and 3,321.87

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Solution

The fourth proportional to 4,291.44, 6,422.58 and 3,321.87 is: 4,971.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,291.44 : 6,422.58 = 3,321.87 : x
  2. Step 2: Convert to fraction form
    4,291.44/6,422.58 = 3,321.87/x
  3. Step 3: Cross multiply
    4,291.44x = 6,422.58 × 3,321.87
  4. Step 4: Simplify right side
    4,291.44x = 21,334,975.82
  5. Step 5: Solve for x
    x = 21,334,975.82/4,291.44
  6. Step 6: Final answer
    x = 4,971.52

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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.