Home / 8,289.09-12,427.11-4,126.82

Finding the Fourth Proportional to 8,289.09, 12,427.11 and 4,126.82

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Solution

The fourth proportional to 8,289.09, 12,427.11 and 4,126.82 is: 6,186.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,289.09 : 12,427.11 = 4,126.82 : x
  2. Step 2: Convert to fraction form
    8,289.09/12,427.11 = 4,126.82/x
  3. Step 3: Cross multiply
    8,289.09x = 12,427.11 × 4,126.82
  4. Step 4: Simplify right side
    8,289.09x = 51,284,383.95
  5. Step 5: Solve for x
    x = 51,284,383.95/8,289.09
  6. Step 6: Final answer
    x = 6,186.97

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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.