Home / 8,759.27-13,131.52-4,076.90

Finding the Fourth Proportional to 8,759.27, 13,131.52 and 4,076.90

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Solution

The fourth proportional to 8,759.27, 13,131.52 and 4,076.90 is: 6,111.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,759.27 : 13,131.52 = 4,076.90 : x
  2. Step 2: Convert to fraction form
    8,759.27/13,131.52 = 4,076.90/x
  3. Step 3: Cross multiply
    8,759.27x = 13,131.52 × 4,076.90
  4. Step 4: Simplify right side
    8,759.27x = 53,535,867.28
  5. Step 5: Solve for x
    x = 53,535,867.28/8,759.27
  6. Step 6: Final answer
    x = 6,111.91

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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.