Home / 4,286.67-5,918.96-3,290.37

Finding the Fourth Proportional to 4,286.67, 5,918.96 and 3,290.37

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Solution

The fourth proportional to 4,286.67, 5,918.96 and 3,290.37 is: 4,543.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,286.67 : 5,918.96 = 3,290.37 : x
  2. Step 2: Convert to fraction form
    4,286.67/5,918.96 = 3,290.37/x
  3. Step 3: Cross multiply
    4,286.67x = 5,918.96 × 3,290.37
  4. Step 4: Simplify right side
    4,286.67x = 19,475,568.42
  5. Step 5: Solve for x
    x = 19,475,568.42/4,286.67
  6. Step 6: Final answer
    x = 4,543.29

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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.