Home / 8,033.85-11,081.03-6,912.86

Finding the Fourth Proportional to 8,033.85, 11,081.03 and 6,912.86

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Solution

The fourth proportional to 8,033.85, 11,081.03 and 6,912.86 is: 9,534.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,033.85 : 11,081.03 = 6,912.86 : x
  2. Step 2: Convert to fraction form
    8,033.85/11,081.03 = 6,912.86/x
  3. Step 3: Cross multiply
    8,033.85x = 11,081.03 × 6,912.86
  4. Step 4: Simplify right side
    8,033.85x = 76,601,554.10
  5. Step 5: Solve for x
    x = 76,601,554.10/8,033.85
  6. Step 6: Final answer
    x = 9,534.85

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1.5x scale

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.