Home / 7,183.02-10,771.58-2,742.30

Finding the Fourth Proportional to 7,183.02, 10,771.58 and 2,742.30

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Solution

The fourth proportional to 7,183.02, 10,771.58 and 2,742.30 is: 4,112.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,183.02 : 10,771.58 = 2,742.30 : x
  2. Step 2: Convert to fraction form
    7,183.02/10,771.58 = 2,742.30/x
  3. Step 3: Cross multiply
    7,183.02x = 10,771.58 × 2,742.30
  4. Step 4: Simplify right side
    7,183.02x = 29,538,890.12
  5. Step 5: Solve for x
    x = 29,538,890.12/7,183.02
  6. Step 6: Final answer
    x = 4,112.32

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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.