Home / 6,849.81-10,275.37-1,919.43

Finding the Fourth Proportional to 6,849.81, 10,275.37 and 1,919.43

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Solution

The fourth proportional to 6,849.81, 10,275.37 and 1,919.43 is: 2,879.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,849.81 : 10,275.37 = 1,919.43 : x
  2. Step 2: Convert to fraction form
    6,849.81/10,275.37 = 1,919.43/x
  3. Step 3: Cross multiply
    6,849.81x = 10,275.37 × 1,919.43
  4. Step 4: Simplify right side
    6,849.81x = 19,722,894.69
  5. Step 5: Solve for x
    x = 19,722,894.69/6,849.81
  6. Step 6: Final answer
    x = 2,879.33

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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.