Home / 8,449.22-12,673.97-2,605.81

Finding the Fourth Proportional to 8,449.22, 12,673.97 and 2,605.81

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Solution

The fourth proportional to 8,449.22, 12,673.97 and 2,605.81 is: 3,908.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,449.22 : 12,673.97 = 2,605.81 : x
  2. Step 2: Convert to fraction form
    8,449.22/12,673.97 = 2,605.81/x
  3. Step 3: Cross multiply
    8,449.22x = 12,673.97 × 2,605.81
  4. Step 4: Simplify right side
    8,449.22x = 33,025,957.77
  5. Step 5: Solve for x
    x = 33,025,957.77/8,449.22
  6. Step 6: Final answer
    x = 3,908.76

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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.