Home / 4,751.34-7,131.87-2,879.03

Finding the Fourth Proportional to 4,751.34, 7,131.87 and 2,879.03

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Solution

The fourth proportional to 4,751.34, 7,131.87 and 2,879.03 is: 4,321.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,751.34 : 7,131.87 = 2,879.03 : x
  2. Step 2: Convert to fraction form
    4,751.34/7,131.87 = 2,879.03/x
  3. Step 3: Cross multiply
    4,751.34x = 7,131.87 × 2,879.03
  4. Step 4: Simplify right side
    4,751.34x = 20,532,832.03
  5. Step 5: Solve for x
    x = 20,532,832.03/4,751.34
  6. Step 6: Final answer
    x = 4,321.48

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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.