Home / 7,238.22-10,855.20-3,078.18

Finding the Fourth Proportional to 7,238.22, 10,855.20 and 3,078.18

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Solution

The fourth proportional to 7,238.22, 10,855.20 and 3,078.18 is: 4,616.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,238.22 : 10,855.20 = 3,078.18 : x
  2. Step 2: Convert to fraction form
    7,238.22/10,855.20 = 3,078.18/x
  3. Step 3: Cross multiply
    7,238.22x = 10,855.20 × 3,078.18
  4. Step 4: Simplify right side
    7,238.22x = 33,414,259.54
  5. Step 5: Solve for x
    x = 33,414,259.54/7,238.22
  6. Step 6: Final answer
    x = 4,616.36

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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.