Home / 6,080.26-9,121.78-1,920.25

Finding the Fourth Proportional to 6,080.26, 9,121.78 and 1,920.25

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Solution

The fourth proportional to 6,080.26, 9,121.78 and 1,920.25 is: 2,880.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,080.26 : 9,121.78 = 1,920.25 : x
  2. Step 2: Convert to fraction form
    6,080.26/9,121.78 = 1,920.25/x
  3. Step 3: Cross multiply
    6,080.26x = 9,121.78 × 1,920.25
  4. Step 4: Simplify right side
    6,080.26x = 17,516,070.44
  5. Step 5: Solve for x
    x = 17,516,070.44/6,080.26
  6. Step 6: Final answer
    x = 2,880.81

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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.