Home / 4,200.05-6,289.85-2,003.54

Finding the Fourth Proportional to 4,200.05, 6,289.85 and 2,003.54

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Solution

The fourth proportional to 4,200.05, 6,289.85 and 2,003.54 is: 3,000.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,200.05 : 6,289.85 = 2,003.54 : x
  2. Step 2: Convert to fraction form
    4,200.05/6,289.85 = 2,003.54/x
  3. Step 3: Cross multiply
    4,200.05x = 6,289.85 × 2,003.54
  4. Step 4: Simplify right side
    4,200.05x = 12,601,939.63
  5. Step 5: Solve for x
    x = 12,601,939.63/4,200.05
  6. Step 6: Final answer
    x = 3,000.42

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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.