Home / 5,518.28-8,266.22-2,736.60

Finding the Fourth Proportional to 5,518.28, 8,266.22 and 2,736.60

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Solution

The fourth proportional to 5,518.28, 8,266.22 and 2,736.60 is: 4,099.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,518.28 : 8,266.22 = 2,736.60 : x
  2. Step 2: Convert to fraction form
    5,518.28/8,266.22 = 2,736.60/x
  3. Step 3: Cross multiply
    5,518.28x = 8,266.22 × 2,736.60
  4. Step 4: Simplify right side
    5,518.28x = 22,621,337.65
  5. Step 5: Solve for x
    x = 22,621,337.65/5,518.28
  6. Step 6: Final answer
    x = 4,099.35

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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.