Home / 4,090.75-6,130.96-2,216.56

Finding the Fourth Proportional to 4,090.75, 6,130.96 and 2,216.56

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Solution

The fourth proportional to 4,090.75, 6,130.96 and 2,216.56 is: 3,322.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,090.75 : 6,130.96 = 2,216.56 : x
  2. Step 2: Convert to fraction form
    4,090.75/6,130.96 = 2,216.56/x
  3. Step 3: Cross multiply
    4,090.75x = 6,130.96 × 2,216.56
  4. Step 4: Simplify right side
    4,090.75x = 13,589,640.70
  5. Step 5: Solve for x
    x = 13,589,640.70/4,090.75
  6. Step 6: Final answer
    x = 3,322.04

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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.