Home / 7,194.39-10,790.71-1,929.79

Finding the Fourth Proportional to 7,194.39, 10,790.71 and 1,929.79

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Solution

The fourth proportional to 7,194.39, 10,790.71 and 1,929.79 is: 2,894.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,194.39 : 10,790.71 = 1,929.79 : x
  2. Step 2: Convert to fraction form
    7,194.39/10,790.71 = 1,929.79/x
  3. Step 3: Cross multiply
    7,194.39x = 10,790.71 × 1,929.79
  4. Step 4: Simplify right side
    7,194.39x = 20,823,804.25
  5. Step 5: Solve for x
    x = 20,823,804.25/7,194.39
  6. Step 6: Final answer
    x = 2,894.45

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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.