Home / 4,812.12-7,218.16-3,844.37

Finding the Fourth Proportional to 4,812.12, 7,218.16 and 3,844.37

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Solution

The fourth proportional to 4,812.12, 7,218.16 and 3,844.37 is: 5,766.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,812.12 : 7,218.16 = 3,844.37 : x
  2. Step 2: Convert to fraction form
    4,812.12/7,218.16 = 3,844.37/x
  3. Step 3: Cross multiply
    4,812.12x = 7,218.16 × 3,844.37
  4. Step 4: Simplify right side
    4,812.12x = 27,749,222.45
  5. Step 5: Solve for x
    x = 27,749,222.45/4,812.12
  6. Step 6: Final answer
    x = 5,766.53

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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.