Home / 8,422.89-11,623.08-5,063.73

Finding the Fourth Proportional to 8,422.89, 11,623.08 and 5,063.73

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Solution

The fourth proportional to 8,422.89, 11,623.08 and 5,063.73 is: 6,987.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,422.89 : 11,623.08 = 5,063.73 : x
  2. Step 2: Convert to fraction form
    8,422.89/11,623.08 = 5,063.73/x
  3. Step 3: Cross multiply
    8,422.89x = 11,623.08 × 5,063.73
  4. Step 4: Simplify right side
    8,422.89x = 58,856,138.89
  5. Step 5: Solve for x
    x = 58,856,138.89/8,422.89
  6. Step 6: Final answer
    x = 6,987.64

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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.