Home / 4,245.11-6,366.58-1,321.91

Finding the Fourth Proportional to 4,245.11, 6,366.58 and 1,321.91

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Solution

The fourth proportional to 4,245.11, 6,366.58 and 1,321.91 is: 1,982.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,245.11 : 6,366.58 = 1,321.91 : x
  2. Step 2: Convert to fraction form
    4,245.11/6,366.58 = 1,321.91/x
  3. Step 3: Cross multiply
    4,245.11x = 6,366.58 × 1,321.91
  4. Step 4: Simplify right side
    4,245.11x = 8,416,010.63
  5. Step 5: Solve for x
    x = 8,416,010.63/4,245.11
  6. Step 6: Final answer
    x = 1,982.52

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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.