Home / 4,268.13-6,400.16-2,189.13

Finding the Fourth Proportional to 4,268.13, 6,400.16 and 2,189.13

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Solution

The fourth proportional to 4,268.13, 6,400.16 and 2,189.13 is: 3,282.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,268.13 : 6,400.16 = 2,189.13 : x
  2. Step 2: Convert to fraction form
    4,268.13/6,400.16 = 2,189.13/x
  3. Step 3: Cross multiply
    4,268.13x = 6,400.16 × 2,189.13
  4. Step 4: Simplify right side
    4,268.13x = 14,010,771.32
  5. Step 5: Solve for x
    x = 14,010,771.32/4,268.13
  6. Step 6: Final answer
    x = 3,282.65

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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.