Home / 7,238.76-10,850.77-2,850.18

Finding the Fourth Proportional to 7,238.76, 10,850.77 and 2,850.18

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Solution

The fourth proportional to 7,238.76, 10,850.77 and 2,850.18 is: 4,272.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,238.76 : 10,850.77 = 2,850.18 : x
  2. Step 2: Convert to fraction form
    7,238.76/10,850.77 = 2,850.18/x
  3. Step 3: Cross multiply
    7,238.76x = 10,850.77 × 2,850.18
  4. Step 4: Simplify right side
    7,238.76x = 30,926,647.64
  5. Step 5: Solve for x
    x = 30,926,647.64/7,238.76
  6. Step 6: Final answer
    x = 4,272.37

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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.