Home / 5,216.06-7,198.08-2,858.22

Finding the Fourth Proportional to 5,216.06, 7,198.08 and 2,858.22

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Solution

The fourth proportional to 5,216.06, 7,198.08 and 2,858.22 is: 3,944.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,216.06 : 7,198.08 = 2,858.22 : x
  2. Step 2: Convert to fraction form
    5,216.06/7,198.08 = 2,858.22/x
  3. Step 3: Cross multiply
    5,216.06x = 7,198.08 × 2,858.22
  4. Step 4: Simplify right side
    5,216.06x = 20,573,696.22
  5. Step 5: Solve for x
    x = 20,573,696.22/5,216.06
  6. Step 6: Final answer
    x = 3,944.30

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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.