Home / 8,450.11-11,661.09-4,673.49

Finding the Fourth Proportional to 8,450.11, 11,661.09 and 4,673.49

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Solution

The fourth proportional to 8,450.11, 11,661.09 and 4,673.49 is: 6,449.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,450.11 : 11,661.09 = 4,673.49 : x
  2. Step 2: Convert to fraction form
    8,450.11/11,661.09 = 4,673.49/x
  3. Step 3: Cross multiply
    8,450.11x = 11,661.09 × 4,673.49
  4. Step 4: Simplify right side
    8,450.11x = 54,497,987.50
  5. Step 5: Solve for x
    x = 54,497,987.50/8,450.11
  6. Step 6: Final answer
    x = 6,449.38

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Half scale
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Double scale
Find fourth proportional to 8,451.11, 11,662.47 and 4,674.49
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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.