Home / 5,515.10-8,274-2,743.08

Finding the Fourth Proportional to 5,515.10, 8,274 and 2,743.08

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Solution

The fourth proportional to 5,515.10, 8,274 and 2,743.08 is: 4,115.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,515.10 : 8,274 = 2,743.08 : x
  2. Step 2: Convert to fraction form
    5,515.10/8,274 = 2,743.08/x
  3. Step 3: Cross multiply
    5,515.10x = 8,274 × 2,743.08
  4. Step 4: Simplify right side
    5,515.10x = 22,696,243.92
  5. Step 5: Solve for x
    x = 22,696,243.92/5,515.10
  6. Step 6: Final answer
    x = 4,115.30

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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.