Home / 7,166.43-10,749.65-2,786.97

Finding the Fourth Proportional to 7,166.43, 10,749.65 and 2,786.97

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Solution

The fourth proportional to 7,166.43, 10,749.65 and 2,786.97 is: 4,180.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,166.43 : 10,749.65 = 2,786.97 : x
  2. Step 2: Convert to fraction form
    7,166.43/10,749.65 = 2,786.97/x
  3. Step 3: Cross multiply
    7,166.43x = 10,749.65 × 2,786.97
  4. Step 4: Simplify right side
    7,166.43x = 29,958,952.06
  5. Step 5: Solve for x
    x = 29,958,952.06/7,166.43
  6. Step 6: Final answer
    x = 4,180.46

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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.