Home / 5,216.29-7,198.47-2,858.44

Finding the Fourth Proportional to 5,216.29, 7,198.47 and 2,858.44

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Solution

The fourth proportional to 5,216.29, 7,198.47 and 2,858.44 is: 3,944.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,216.29 : 7,198.47 = 2,858.44 : x
  2. Step 2: Convert to fraction form
    5,216.29/7,198.47 = 2,858.44/x
  3. Step 3: Cross multiply
    5,216.29x = 7,198.47 × 2,858.44
  4. Step 4: Simplify right side
    5,216.29x = 20,576,394.59
  5. Step 5: Solve for x
    x = 20,576,394.59/5,216.29
  6. Step 6: Final answer
    x = 3,944.64

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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.