Home / 5,194.19-7,790.45-1,906.47

Finding the Fourth Proportional to 5,194.19, 7,790.45 and 1,906.47

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Solution

The fourth proportional to 5,194.19, 7,790.45 and 1,906.47 is: 2,859.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,194.19 : 7,790.45 = 1,906.47 : x
  2. Step 2: Convert to fraction form
    5,194.19/7,790.45 = 1,906.47/x
  3. Step 3: Cross multiply
    5,194.19x = 7,790.45 × 1,906.47
  4. Step 4: Simplify right side
    5,194.19x = 14,852,249.68
  5. Step 5: Solve for x
    x = 14,852,249.68/5,194.19
  6. Step 6: Final answer
    x = 2,859.40

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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.