Home / 5,216.87-7,200.62-3,226.25

Finding the Fourth Proportional to 5,216.87, 7,200.62 and 3,226.25

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Solution

The fourth proportional to 5,216.87, 7,200.62 and 3,226.25 is: 4,453.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,216.87 : 7,200.62 = 3,226.25 : x
  2. Step 2: Convert to fraction form
    5,216.87/7,200.62 = 3,226.25/x
  3. Step 3: Cross multiply
    5,216.87x = 7,200.62 × 3,226.25
  4. Step 4: Simplify right side
    5,216.87x = 23,230,984.14
  5. Step 5: Solve for x
    x = 23,230,984.14/5,216.87
  6. Step 6: Final answer
    x = 4,453.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.