Home / 9,118.22-12,584.21-6,284.69

Finding the Fourth Proportional to 9,118.22, 12,584.21 and 6,284.69

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Solution

The fourth proportional to 9,118.22, 12,584.21 and 6,284.69 is: 8,673.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,118.22 : 12,584.21 = 6,284.69 : x
  2. Step 2: Convert to fraction form
    9,118.22/12,584.21 = 6,284.69/x
  3. Step 3: Cross multiply
    9,118.22x = 12,584.21 × 6,284.69
  4. Step 4: Simplify right side
    9,118.22x = 79,087,846.94
  5. Step 5: Solve for x
    x = 79,087,846.94/9,118.22
  6. Step 6: Final answer
    x = 8,673.61

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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.