Home / 4,243.41-6,365.72-1,321.95

Finding the Fourth Proportional to 4,243.41, 6,365.72 and 1,321.95

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Solution

The fourth proportional to 4,243.41, 6,365.72 and 1,321.95 is: 1,983.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,243.41 : 6,365.72 = 1,321.95 : x
  2. Step 2: Convert to fraction form
    4,243.41/6,365.72 = 1,321.95/x
  3. Step 3: Cross multiply
    4,243.41x = 6,365.72 × 1,321.95
  4. Step 4: Simplify right side
    4,243.41x = 8,415,163.55
  5. Step 5: Solve for x
    x = 8,415,163.55/4,243.41
  6. Step 6: Final answer
    x = 1,983.11

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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.