Home / 4,899.43-7,343.67-2,121.94

Finding the Fourth Proportional to 4,899.43, 7,343.67 and 2,121.94

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Solution

The fourth proportional to 4,899.43, 7,343.67 and 2,121.94 is: 3,180.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,899.43 : 7,343.67 = 2,121.94 : x
  2. Step 2: Convert to fraction form
    4,899.43/7,343.67 = 2,121.94/x
  3. Step 3: Cross multiply
    4,899.43x = 7,343.67 × 2,121.94
  4. Step 4: Simplify right side
    4,899.43x = 15,582,790.40
  5. Step 5: Solve for x
    x = 15,582,790.40/4,899.43
  6. Step 6: Final answer
    x = 3,180.53

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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.