Home / 7,827.75-11,736.41-4,070.30

Finding the Fourth Proportional to 7,827.75, 11,736.41 and 4,070.30

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Solution

The fourth proportional to 7,827.75, 11,736.41 and 4,070.30 is: 6,102.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,827.75 : 11,736.41 = 4,070.30 : x
  2. Step 2: Convert to fraction form
    7,827.75/11,736.41 = 4,070.30/x
  3. Step 3: Cross multiply
    7,827.75x = 11,736.41 × 4,070.30
  4. Step 4: Simplify right side
    7,827.75x = 47,770,650.94
  5. Step 5: Solve for x
    x = 47,770,650.94/7,827.75
  6. Step 6: Final answer
    x = 6,102.73

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1.5x scale

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.