Home / 7,984.80-11,977.97-3,058.56

Finding the Fourth Proportional to 7,984.80, 11,977.97 and 3,058.56

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Solution

The fourth proportional to 7,984.80, 11,977.97 and 3,058.56 is: 4,588.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,984.80 : 11,977.97 = 3,058.56 : x
  2. Step 2: Convert to fraction form
    7,984.80/11,977.97 = 3,058.56/x
  3. Step 3: Cross multiply
    7,984.80x = 11,977.97 × 3,058.56
  4. Step 4: Simplify right side
    7,984.80x = 36,635,324.63
  5. Step 5: Solve for x
    x = 36,635,324.63/7,984.80
  6. Step 6: Final answer
    x = 4,588.13

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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.