Home / 6,004.20-8,999.70-2,106.60

Finding the Fourth Proportional to 6,004.20, 8,999.70 and 2,106.60

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Solution

The fourth proportional to 6,004.20, 8,999.70 and 2,106.60 is: 3,157.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,004.20 : 8,999.70 = 2,106.60 : x
  2. Step 2: Convert to fraction form
    6,004.20/8,999.70 = 2,106.60/x
  3. Step 3: Cross multiply
    6,004.20x = 8,999.70 × 2,106.60
  4. Step 4: Simplify right side
    6,004.20x = 18,958,768.02
  5. Step 5: Solve for x
    x = 18,958,768.02/6,004.20
  6. Step 6: Final answer
    x = 3,157.58

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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.