Home / 4,225.44-6,325.92-3,189.72

Finding the Fourth Proportional to 4,225.44, 6,325.92 and 3,189.72

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Solution

The fourth proportional to 4,225.44, 6,325.92 and 3,189.72 is: 4,775.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,225.44 : 6,325.92 = 3,189.72 : x
  2. Step 2: Convert to fraction form
    4,225.44/6,325.92 = 3,189.72/x
  3. Step 3: Cross multiply
    4,225.44x = 6,325.92 × 3,189.72
  4. Step 4: Simplify right side
    4,225.44x = 20,177,913.54
  5. Step 5: Solve for x
    x = 20,177,913.54/4,225.44
  6. Step 6: Final answer
    x = 4,775.34

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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.