Home / 5,236.68-7,855.01-3,290.25

Finding the Fourth Proportional to 5,236.68, 7,855.01 and 3,290.25

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Solution

The fourth proportional to 5,236.68, 7,855.01 and 3,290.25 is: 4,935.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,236.68 : 7,855.01 = 3,290.25 : x
  2. Step 2: Convert to fraction form
    5,236.68/7,855.01 = 3,290.25/x
  3. Step 3: Cross multiply
    5,236.68x = 7,855.01 × 3,290.25
  4. Step 4: Simplify right side
    5,236.68x = 25,844,930.20
  5. Step 5: Solve for x
    x = 25,844,930.20/5,236.68
  6. Step 6: Final answer
    x = 4,935.37

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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.