Home / 8,422.44-12,628.26-3,495.48

Finding the Fourth Proportional to 8,422.44, 12,628.26 and 3,495.48

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Solution

The fourth proportional to 8,422.44, 12,628.26 and 3,495.48 is: 5,240.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,422.44 : 12,628.26 = 3,495.48 : x
  2. Step 2: Convert to fraction form
    8,422.44/12,628.26 = 3,495.48/x
  3. Step 3: Cross multiply
    8,422.44x = 12,628.26 × 3,495.48
  4. Step 4: Simplify right side
    8,422.44x = 44,141,781.22
  5. Step 5: Solve for x
    x = 44,141,781.22/8,422.44
  6. Step 6: Final answer
    x = 5,240.97

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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.