Home / 8,268.81-11,406.41-5,238.38

Finding the Fourth Proportional to 8,268.81, 11,406.41 and 5,238.38

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Solution

The fourth proportional to 8,268.81, 11,406.41 and 5,238.38 is: 7,226.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,268.81 : 11,406.41 = 5,238.38 : x
  2. Step 2: Convert to fraction form
    8,268.81/11,406.41 = 5,238.38/x
  3. Step 3: Cross multiply
    8,268.81x = 11,406.41 × 5,238.38
  4. Step 4: Simplify right side
    8,268.81x = 59,751,110.02
  5. Step 5: Solve for x
    x = 59,751,110.02/8,268.81
  6. Step 6: Final answer
    x = 7,226.08

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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.