Home / 5,093.20-7,028.08-2,855.36

Finding the Fourth Proportional to 5,093.20, 7,028.08 and 2,855.36

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Solution

The fourth proportional to 5,093.20, 7,028.08 and 2,855.36 is: 3,940.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,093.20 : 7,028.08 = 2,855.36 : x
  2. Step 2: Convert to fraction form
    5,093.20/7,028.08 = 2,855.36/x
  3. Step 3: Cross multiply
    5,093.20x = 7,028.08 × 2,855.36
  4. Step 4: Simplify right side
    5,093.20x = 20,067,698.51
  5. Step 5: Solve for x
    x = 20,067,698.51/5,093.20
  6. Step 6: Final answer
    x = 3,940.10

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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.