Home / 4,578.78-6,311.34-3,086.22

Finding the Fourth Proportional to 4,578.78, 6,311.34 and 3,086.22

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Solution

The fourth proportional to 4,578.78, 6,311.34 and 3,086.22 is: 4,254.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,578.78 : 6,311.34 = 3,086.22 : x
  2. Step 2: Convert to fraction form
    4,578.78/6,311.34 = 3,086.22/x
  3. Step 3: Cross multiply
    4,578.78x = 6,311.34 × 3,086.22
  4. Step 4: Simplify right side
    4,578.78x = 19,478,183.73
  5. Step 5: Solve for x
    x = 19,478,183.73/4,578.78
  6. Step 6: Final answer
    x = 4,254.01

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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.