Home / 6,004.20-9,000.90-3,811.80

Finding the Fourth Proportional to 6,004.20, 9,000.90 and 3,811.80

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Solution

The fourth proportional to 6,004.20, 9,000.90 and 3,811.80 is: 5,714.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,004.20 : 9,000.90 = 3,811.80 : x
  2. Step 2: Convert to fraction form
    6,004.20/9,000.90 = 3,811.80/x
  3. Step 3: Cross multiply
    6,004.20x = 9,000.90 × 3,811.80
  4. Step 4: Simplify right side
    6,004.20x = 34,309,630.62
  5. Step 5: Solve for x
    x = 34,309,630.62/6,004.20
  6. Step 6: Final answer
    x = 5,714.27

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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.