Home / 8,739.09-12,058.07-4,961.99

Finding the Fourth Proportional to 8,739.09, 12,058.07 and 4,961.99

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Solution

The fourth proportional to 8,739.09, 12,058.07 and 4,961.99 is: 6,846.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,739.09 : 12,058.07 = 4,961.99 : x
  2. Step 2: Convert to fraction form
    8,739.09/12,058.07 = 4,961.99/x
  3. Step 3: Cross multiply
    8,739.09x = 12,058.07 × 4,961.99
  4. Step 4: Simplify right side
    8,739.09x = 59,832,028.09
  5. Step 5: Solve for x
    x = 59,832,028.09/8,739.09
  6. Step 6: Final answer
    x = 6,846.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.