Home / 7,982.30-11,973.48-2,786.96

Finding the Fourth Proportional to 7,982.30, 11,973.48 and 2,786.96

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Solution

The fourth proportional to 7,982.30, 11,973.48 and 2,786.96 is: 4,180.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,982.30 : 11,973.48 = 2,786.96 : x
  2. Step 2: Convert to fraction form
    7,982.30/11,973.48 = 2,786.96/x
  3. Step 3: Cross multiply
    7,982.30x = 11,973.48 × 2,786.96
  4. Step 4: Simplify right side
    7,982.30x = 33,369,609.82
  5. Step 5: Solve for x
    x = 33,369,609.82/7,982.30
  6. Step 6: Final answer
    x = 4,180.45

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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.