Home / 5,515.10-8,273.99-2,743.07

Finding the Fourth Proportional to 5,515.10, 8,273.99 and 2,743.07

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Solution

The fourth proportional to 5,515.10, 8,273.99 and 2,743.07 is: 4,115.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,515.10 : 8,273.99 = 2,743.07 : x
  2. Step 2: Convert to fraction form
    5,515.10/8,273.99 = 2,743.07/x
  3. Step 3: Cross multiply
    5,515.10x = 8,273.99 × 2,743.07
  4. Step 4: Simplify right side
    5,515.10x = 22,696,133.75
  5. Step 5: Solve for x
    x = 22,696,133.75/5,515.10
  6. Step 6: Final answer
    x = 4,115.27

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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.