Home / 4,079.49-6,120.31-1,739.63

Finding the Fourth Proportional to 4,079.49, 6,120.31 and 1,739.63

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Solution

The fourth proportional to 4,079.49, 6,120.31 and 1,739.63 is: 2,609.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,079.49 : 6,120.31 = 1,739.63 : x
  2. Step 2: Convert to fraction form
    4,079.49/6,120.31 = 1,739.63/x
  3. Step 3: Cross multiply
    4,079.49x = 6,120.31 × 1,739.63
  4. Step 4: Simplify right side
    4,079.49x = 10,647,054.67
  5. Step 5: Solve for x
    x = 10,647,054.67/4,079.49
  6. Step 6: Final answer
    x = 2,609.90

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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.