Home / 5,189.10-7,785.24-2,723.64

Finding the Fourth Proportional to 5,189.10, 7,785.24 and 2,723.64

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Solution

The fourth proportional to 5,189.10, 7,785.24 and 2,723.64 is: 4,086.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,189.10 : 7,785.24 = 2,723.64 : x
  2. Step 2: Convert to fraction form
    5,189.10/7,785.24 = 2,723.64/x
  3. Step 3: Cross multiply
    5,189.10x = 7,785.24 × 2,723.64
  4. Step 4: Simplify right side
    5,189.10x = 21,204,191.07
  5. Step 5: Solve for x
    x = 21,204,191.07/5,189.10
  6. Step 6: Final answer
    x = 4,086.29

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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.