Home / 4,811.24-7,216.86-2,214.20

Finding the Fourth Proportional to 4,811.24, 7,216.86 and 2,214.20

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Solution

The fourth proportional to 4,811.24, 7,216.86 and 2,214.20 is: 3,321.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,811.24 : 7,216.86 = 2,214.20 : x
  2. Step 2: Convert to fraction form
    4,811.24/7,216.86 = 2,214.20/x
  3. Step 3: Cross multiply
    4,811.24x = 7,216.86 × 2,214.20
  4. Step 4: Simplify right side
    4,811.24x = 15,979,571.41
  5. Step 5: Solve for x
    x = 15,979,571.41/4,811.24
  6. Step 6: Final answer
    x = 3,321.30

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1.5x scale

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.