Home / 4,213.86-6,321.38-2,238.97

Finding the Fourth Proportional to 4,213.86, 6,321.38 and 2,238.97

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Solution

The fourth proportional to 4,213.86, 6,321.38 and 2,238.97 is: 3,358.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,213.86 : 6,321.38 = 2,238.97 : x
  2. Step 2: Convert to fraction form
    4,213.86/6,321.38 = 2,238.97/x
  3. Step 3: Cross multiply
    4,213.86x = 6,321.38 × 2,238.97
  4. Step 4: Simplify right side
    4,213.86x = 14,153,381.83
  5. Step 5: Solve for x
    x = 14,153,381.83/4,213.86
  6. Step 6: Final answer
    x = 3,358.77

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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.