Home / 8,716.27-13,067.05-3,782.19

Finding the Fourth Proportional to 8,716.27, 13,067.05 and 3,782.19

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Solution

The fourth proportional to 8,716.27, 13,067.05 and 3,782.19 is: 5,670.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,716.27 : 13,067.05 = 3,782.19 : x
  2. Step 2: Convert to fraction form
    8,716.27/13,067.05 = 3,782.19/x
  3. Step 3: Cross multiply
    8,716.27x = 13,067.05 × 3,782.19
  4. Step 4: Simplify right side
    8,716.27x = 49,422,065.84
  5. Step 5: Solve for x
    x = 49,422,065.84/8,716.27
  6. Step 6: Final answer
    x = 5,670.09

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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.