Home / 8,449.26-12,672.56-2,826.89

Finding the Fourth Proportional to 8,449.26, 12,672.56 and 2,826.89

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Solution

The fourth proportional to 8,449.26, 12,672.56 and 2,826.89 is: 4,239.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,449.26 : 12,672.56 = 2,826.89 : x
  2. Step 2: Convert to fraction form
    8,449.26/12,672.56 = 2,826.89/x
  3. Step 3: Cross multiply
    8,449.26x = 12,672.56 × 2,826.89
  4. Step 4: Simplify right side
    8,449.26x = 35,823,933.14
  5. Step 5: Solve for x
    x = 35,823,933.14/8,449.26
  6. Step 6: Final answer
    x = 4,239.89

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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.