Home / 4,222.21-6,346.98-3,917.85

Finding the Fourth Proportional to 4,222.21, 6,346.98 and 3,917.85

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Solution

The fourth proportional to 4,222.21, 6,346.98 and 3,917.85 is: 5,889.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,222.21 : 6,346.98 = 3,917.85 : x
  2. Step 2: Convert to fraction form
    4,222.21/6,346.98 = 3,917.85/x
  3. Step 3: Cross multiply
    4,222.21x = 6,346.98 × 3,917.85
  4. Step 4: Simplify right side
    4,222.21x = 24,866,464.27
  5. Step 5: Solve for x
    x = 24,866,464.27/4,222.21
  6. Step 6: Final answer
    x = 5,889.45

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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.