Home / 4,213.49-6,321.23-1,251.96

Finding the Fourth Proportional to 4,213.49, 6,321.23 and 1,251.96

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Solution

The fourth proportional to 4,213.49, 6,321.23 and 1,251.96 is: 1,878.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,213.49 : 6,321.23 = 1,251.96 : x
  2. Step 2: Convert to fraction form
    4,213.49/6,321.23 = 1,251.96/x
  3. Step 3: Cross multiply
    4,213.49x = 6,321.23 × 1,251.96
  4. Step 4: Simplify right side
    4,213.49x = 7,913,910.08
  5. Step 5: Solve for x
    x = 7,913,910.08/4,213.49
  6. Step 6: Final answer
    x = 1,878.23

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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.