Home / 8,951.45-13,427.19-3,108.08

Finding the Fourth Proportional to 8,951.45, 13,427.19 and 3,108.08

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Solution

The fourth proportional to 8,951.45, 13,427.19 and 3,108.08 is: 4,662.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,951.45 : 13,427.19 = 3,108.08 : x
  2. Step 2: Convert to fraction form
    8,951.45/13,427.19 = 3,108.08/x
  3. Step 3: Cross multiply
    8,951.45x = 13,427.19 × 3,108.08
  4. Step 4: Simplify right side
    8,951.45x = 41,732,713.56
  5. Step 5: Solve for x
    x = 41,732,713.56/8,951.45
  6. Step 6: Final answer
    x = 4,662.12

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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.