Home / 5,517.78-8,274.20-1,622.49

Finding the Fourth Proportional to 5,517.78, 8,274.20 and 1,622.49

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Solution

The fourth proportional to 5,517.78, 8,274.20 and 1,622.49 is: 2,433.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,517.78 : 8,274.20 = 1,622.49 : x
  2. Step 2: Convert to fraction form
    5,517.78/8,274.20 = 1,622.49/x
  3. Step 3: Cross multiply
    5,517.78x = 8,274.20 × 1,622.49
  4. Step 4: Simplify right side
    5,517.78x = 13,424,798.65
  5. Step 5: Solve for x
    x = 13,424,798.65/5,517.78
  6. Step 6: Final answer
    x = 2,433.01

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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.