Home / 7,840.43-11,761.25-3,680.27

Finding the Fourth Proportional to 7,840.43, 11,761.25 and 3,680.27

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Solution

The fourth proportional to 7,840.43, 11,761.25 and 3,680.27 is: 5,520.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,840.43 : 11,761.25 = 3,680.27 : x
  2. Step 2: Convert to fraction form
    7,840.43/11,761.25 = 3,680.27/x
  3. Step 3: Cross multiply
    7,840.43x = 11,761.25 × 3,680.27
  4. Step 4: Simplify right side
    7,840.43x = 43,284,498.33
  5. Step 5: Solve for x
    x = 43,284,498.33/7,840.43
  6. Step 6: Final answer
    x = 5,520.68

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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.