Home / 6,423.05-9,622.20-3,454.22

Finding the Fourth Proportional to 6,423.05, 9,622.20 and 3,454.22

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Solution

The fourth proportional to 6,423.05, 9,622.20 and 3,454.22 is: 5,174.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,423.05 : 9,622.20 = 3,454.22 : x
  2. Step 2: Convert to fraction form
    6,423.05/9,622.20 = 3,454.22/x
  3. Step 3: Cross multiply
    6,423.05x = 9,622.20 × 3,454.22
  4. Step 4: Simplify right side
    6,423.05x = 33,237,195.68
  5. Step 5: Solve for x
    x = 33,237,195.68/6,423.05
  6. Step 6: Final answer
    x = 5,174.67

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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.