Home / 7,982.32-11,973.48-3,297.18

Finding the Fourth Proportional to 7,982.32, 11,973.48 and 3,297.18

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Solution

The fourth proportional to 7,982.32, 11,973.48 and 3,297.18 is: 4,945.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,982.32 : 11,973.48 = 3,297.18 : x
  2. Step 2: Convert to fraction form
    7,982.32/11,973.48 = 3,297.18/x
  3. Step 3: Cross multiply
    7,982.32x = 11,973.48 × 3,297.18
  4. Step 4: Simplify right side
    7,982.32x = 39,478,718.79
  5. Step 5: Solve for x
    x = 39,478,718.79/7,982.32
  6. Step 6: Final answer
    x = 4,945.77

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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.