Home / 6,153.20-9,213.60-4,500.80

Finding the Fourth Proportional to 6,153.20, 9,213.60 and 4,500.80

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Solution

The fourth proportional to 6,153.20, 9,213.60 and 4,500.80 is: 6,739.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,153.20 : 9,213.60 = 4,500.80 : x
  2. Step 2: Convert to fraction form
    6,153.20/9,213.60 = 4,500.80/x
  3. Step 3: Cross multiply
    6,153.20x = 9,213.60 × 4,500.80
  4. Step 4: Simplify right side
    6,153.20x = 41,468,570.88
  5. Step 5: Solve for x
    x = 41,468,570.88/6,153.20
  6. Step 6: Final answer
    x = 6,739.35

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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.