Home / 8,716.57-13,067.51-3,782.50

Finding the Fourth Proportional to 8,716.57, 13,067.51 and 3,782.50

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Solution

The fourth proportional to 8,716.57, 13,067.51 and 3,782.50 is: 5,670.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,716.57 : 13,067.51 = 3,782.50 : x
  2. Step 2: Convert to fraction form
    8,716.57/13,067.51 = 3,782.50/x
  3. Step 3: Cross multiply
    8,716.57x = 13,067.51 × 3,782.50
  4. Step 4: Simplify right side
    8,716.57x = 49,427,804.99
  5. Step 5: Solve for x
    x = 49,427,804.99/8,716.57
  6. Step 6: Final answer
    x = 5,670.56

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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.