Home / 8,716.55-13,067.48-3,782.47

Finding the Fourth Proportional to 8,716.55, 13,067.48 and 3,782.47

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Solution

The fourth proportional to 8,716.55, 13,067.48 and 3,782.47 is: 5,670.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,716.55 : 13,067.48 = 3,782.47 : x
  2. Step 2: Convert to fraction form
    8,716.55/13,067.48 = 3,782.47/x
  3. Step 3: Cross multiply
    8,716.55x = 13,067.48 × 3,782.47
  4. Step 4: Simplify right side
    8,716.55x = 49,427,367.84
  5. Step 5: Solve for x
    x = 49,427,367.84/8,716.55
  6. Step 6: Final answer
    x = 5,670.52

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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.