Home / 5,004.25-6,906.40-2,879.87

Finding the Fourth Proportional to 5,004.25, 6,906.40 and 2,879.87

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Solution

The fourth proportional to 5,004.25, 6,906.40 and 2,879.87 is: 3,974.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,004.25 : 6,906.40 = 2,879.87 : x
  2. Step 2: Convert to fraction form
    5,004.25/6,906.40 = 2,879.87/x
  3. Step 3: Cross multiply
    5,004.25x = 6,906.40 × 2,879.87
  4. Step 4: Simplify right side
    5,004.25x = 19,889,534.17
  5. Step 5: Solve for x
    x = 19,889,534.17/5,004.25
  6. Step 6: Final answer
    x = 3,974.53

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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.