Home / 8,186.22-12,284.72-4,491.05

Finding the Fourth Proportional to 8,186.22, 12,284.72 and 4,491.05

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Solution

The fourth proportional to 8,186.22, 12,284.72 and 4,491.05 is: 6,739.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,186.22 : 12,284.72 = 4,491.05 : x
  2. Step 2: Convert to fraction form
    8,186.22/12,284.72 = 4,491.05/x
  3. Step 3: Cross multiply
    8,186.22x = 12,284.72 × 4,491.05
  4. Step 4: Simplify right side
    8,186.22x = 55,171,207.88
  5. Step 5: Solve for x
    x = 55,171,207.88/8,186.22
  6. Step 6: Final answer
    x = 6,739.52

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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.