Home / 5,119.56-7,674.86-4,249.30

Finding the Fourth Proportional to 5,119.56, 7,674.86 and 4,249.30

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Solution

The fourth proportional to 5,119.56, 7,674.86 and 4,249.30 is: 6,370.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,119.56 : 7,674.86 = 4,249.30 : x
  2. Step 2: Convert to fraction form
    5,119.56/7,674.86 = 4,249.30/x
  3. Step 3: Cross multiply
    5,119.56x = 7,674.86 × 4,249.30
  4. Step 4: Simplify right side
    5,119.56x = 32,612,782.60
  5. Step 5: Solve for x
    x = 32,612,782.60/5,119.56
  6. Step 6: Final answer
    x = 6,370.23

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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.