Home / 5,187.21-7,784.98-2,723.49

Finding the Fourth Proportional to 5,187.21, 7,784.98 and 2,723.49

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Solution

The fourth proportional to 5,187.21, 7,784.98 and 2,723.49 is: 4,087.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,187.21 : 7,784.98 = 2,723.49 : x
  2. Step 2: Convert to fraction form
    5,187.21/7,784.98 = 2,723.49/x
  3. Step 3: Cross multiply
    5,187.21x = 7,784.98 × 2,723.49
  4. Step 4: Simplify right side
    5,187.21x = 21,202,308.37
  5. Step 5: Solve for x
    x = 21,202,308.37/5,187.21
  6. Step 6: Final answer
    x = 4,087.42

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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.