Home / 4,078.84-6,119.18-1,481.78

Finding the Fourth Proportional to 4,078.84, 6,119.18 and 1,481.78

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Solution

The fourth proportional to 4,078.84, 6,119.18 and 1,481.78 is: 2,223.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,078.84 : 6,119.18 = 1,481.78 : x
  2. Step 2: Convert to fraction form
    4,078.84/6,119.18 = 1,481.78/x
  3. Step 3: Cross multiply
    4,078.84x = 6,119.18 × 1,481.78
  4. Step 4: Simplify right side
    4,078.84x = 9,067,278.54
  5. Step 5: Solve for x
    x = 9,067,278.54/4,078.84
  6. Step 6: Final answer
    x = 2,223.00

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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.