Home / 6,080.50-9,121.95-1,921.15

Finding the Fourth Proportional to 6,080.50, 9,121.95 and 1,921.15

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Solution

The fourth proportional to 6,080.50, 9,121.95 and 1,921.15 is: 2,882.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,080.50 : 9,121.95 = 1,921.15 : x
  2. Step 2: Convert to fraction form
    6,080.50/9,121.95 = 1,921.15/x
  3. Step 3: Cross multiply
    6,080.50x = 9,121.95 × 1,921.15
  4. Step 4: Simplify right side
    6,080.50x = 17,524,634.24
  5. Step 5: Solve for x
    x = 17,524,634.24/6,080.50
  6. Step 6: Final answer
    x = 2,882.10

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Double scale
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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.