Home / 4,080.44-6,120.72-1,158.90

Finding the Fourth Proportional to 4,080.44, 6,120.72 and 1,158.90

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Solution

The fourth proportional to 4,080.44, 6,120.72 and 1,158.90 is: 1,738.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,080.44 : 6,120.72 = 1,158.90 : x
  2. Step 2: Convert to fraction form
    4,080.44/6,120.72 = 1,158.90/x
  3. Step 3: Cross multiply
    4,080.44x = 6,120.72 × 1,158.90
  4. Step 4: Simplify right side
    4,080.44x = 7,093,302.41
  5. Step 5: Solve for x
    x = 7,093,302.41/4,080.44
  6. Step 6: Final answer
    x = 1,738.37

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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.