Home / 7,973.73-11,960.82-2,130.35

Finding the Fourth Proportional to 7,973.73, 11,960.82 and 2,130.35

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Solution

The fourth proportional to 7,973.73, 11,960.82 and 2,130.35 is: 3,195.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,973.73 : 11,960.82 = 2,130.35 : x
  2. Step 2: Convert to fraction form
    7,973.73/11,960.82 = 2,130.35/x
  3. Step 3: Cross multiply
    7,973.73x = 11,960.82 × 2,130.35
  4. Step 4: Simplify right side
    7,973.73x = 25,480,673.08
  5. Step 5: Solve for x
    x = 25,480,673.08/7,973.73
  6. Step 6: Final answer
    x = 3,195.58

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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.