Home / 4,213.28-6,314.78-2,981.04

Finding the Fourth Proportional to 4,213.28, 6,314.78 and 2,981.04

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Solution

The fourth proportional to 4,213.28, 6,314.78 and 2,981.04 is: 4,467.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,213.28 : 6,314.78 = 2,981.04 : x
  2. Step 2: Convert to fraction form
    4,213.28/6,314.78 = 2,981.04/x
  3. Step 3: Cross multiply
    4,213.28x = 6,314.78 × 2,981.04
  4. Step 4: Simplify right side
    4,213.28x = 18,824,596.87
  5. Step 5: Solve for x
    x = 18,824,596.87/4,213.28
  6. Step 6: Final answer
    x = 4,467.93

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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.