Home / 4,984.68-6,879.06-2,889.48

Finding the Fourth Proportional to 4,984.68, 6,879.06 and 2,889.48

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Solution

The fourth proportional to 4,984.68, 6,879.06 and 2,889.48 is: 3,987.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,984.68 : 6,879.06 = 2,889.48 : x
  2. Step 2: Convert to fraction form
    4,984.68/6,879.06 = 2,889.48/x
  3. Step 3: Cross multiply
    4,984.68x = 6,879.06 × 2,889.48
  4. Step 4: Simplify right side
    4,984.68x = 19,876,906.29
  5. Step 5: Solve for x
    x = 19,876,906.29/4,984.68
  6. Step 6: Final answer
    x = 3,987.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.