Home / 4,243.52-6,366.36-1,321.86

Finding the Fourth Proportional to 4,243.52, 6,366.36 and 1,321.86

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Solution

The fourth proportional to 4,243.52, 6,366.36 and 1,321.86 is: 1,983.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,243.52 : 6,366.36 = 1,321.86 : x
  2. Step 2: Convert to fraction form
    4,243.52/6,366.36 = 1,321.86/x
  3. Step 3: Cross multiply
    4,243.52x = 6,366.36 × 1,321.86
  4. Step 4: Simplify right side
    4,243.52x = 8,415,436.63
  5. Step 5: Solve for x
    x = 8,415,436.63/4,243.52
  6. Step 6: Final answer
    x = 1,983.13

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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.