Home / 4,147.25-5,716.89-3,515.45

Finding the Fourth Proportional to 4,147.25, 5,716.89 and 3,515.45

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Solution

The fourth proportional to 4,147.25, 5,716.89 and 3,515.45 is: 4,845.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,147.25 : 5,716.89 = 3,515.45 : x
  2. Step 2: Convert to fraction form
    4,147.25/5,716.89 = 3,515.45/x
  3. Step 3: Cross multiply
    4,147.25x = 5,716.89 × 3,515.45
  4. Step 4: Simplify right side
    4,147.25x = 20,097,412.37
  5. Step 5: Solve for x
    x = 20,097,412.37/4,147.25
  6. Step 6: Final answer
    x = 4,845.97

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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.