Home / 4,505.55-6,751.96-2,131.09

Finding the Fourth Proportional to 4,505.55, 6,751.96 and 2,131.09

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Solution

The fourth proportional to 4,505.55, 6,751.96 and 2,131.09 is: 3,193.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,505.55 : 6,751.96 = 2,131.09 : x
  2. Step 2: Convert to fraction form
    4,505.55/6,751.96 = 2,131.09/x
  3. Step 3: Cross multiply
    4,505.55x = 6,751.96 × 2,131.09
  4. Step 4: Simplify right side
    4,505.55x = 14,389,034.44
  5. Step 5: Solve for x
    x = 14,389,034.44/4,505.55
  6. Step 6: Final answer
    x = 3,193.62

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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.