Home / 4,243.64-6,366.30-1,321.82

Finding the Fourth Proportional to 4,243.64, 6,366.30 and 1,321.82

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Solution

The fourth proportional to 4,243.64, 6,366.30 and 1,321.82 is: 1,982.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,243.64 : 6,366.30 = 1,321.82 : x
  2. Step 2: Convert to fraction form
    4,243.64/6,366.30 = 1,321.82/x
  3. Step 3: Cross multiply
    4,243.64x = 6,366.30 × 1,321.82
  4. Step 4: Simplify right side
    4,243.64x = 8,415,102.67
  5. Step 5: Solve for x
    x = 8,415,102.67/4,243.64
  6. Step 6: Final answer
    x = 1,982.99

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1.5x scale

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.