Home / 4,268.23-6,405.92-2,190.23

Finding the Fourth Proportional to 4,268.23, 6,405.92 and 2,190.23

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Solution

The fourth proportional to 4,268.23, 6,405.92 and 2,190.23 is: 3,287.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,268.23 : 6,405.92 = 2,190.23 : x
  2. Step 2: Convert to fraction form
    4,268.23/6,405.92 = 2,190.23/x
  3. Step 3: Cross multiply
    4,268.23x = 6,405.92 × 2,190.23
  4. Step 4: Simplify right side
    4,268.23x = 14,030,438.16
  5. Step 5: Solve for x
    x = 14,030,438.16/4,268.23
  6. Step 6: Final answer
    x = 3,287.18

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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.