Home / 4,879.07-6,732.68-2,889.29

Finding the Fourth Proportional to 4,879.07, 6,732.68 and 2,889.29

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Solution

The fourth proportional to 4,879.07, 6,732.68 and 2,889.29 is: 3,986.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,879.07 : 6,732.68 = 2,889.29 : x
  2. Step 2: Convert to fraction form
    4,879.07/6,732.68 = 2,889.29/x
  3. Step 3: Cross multiply
    4,879.07x = 6,732.68 × 2,889.29
  4. Step 4: Simplify right side
    4,879.07x = 19,452,638.56
  5. Step 5: Solve for x
    x = 19,452,638.56/4,879.07
  6. Step 6: Final answer
    x = 3,986.96

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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.