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Finding the Fourth Proportional to 6,080.51, 9,121.28 and 1,919.40

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Solution

The fourth proportional to 6,080.51, 9,121.28 and 1,919.40 is: 2,879.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,080.51 : 9,121.28 = 1,919.40 : x
  2. Step 2: Convert to fraction form
    6,080.51/9,121.28 = 1,919.40/x
  3. Step 3: Cross multiply
    6,080.51x = 9,121.28 × 1,919.40
  4. Step 4: Simplify right side
    6,080.51x = 17,507,375.24
  5. Step 5: Solve for x
    x = 17,507,375.24/6,080.51
  6. Step 6: Final answer
    x = 2,879.26

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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.