Home / 8,628.18-11,906.37-4,902.18

Finding the Fourth Proportional to 8,628.18, 11,906.37 and 4,902.18

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Solution

The fourth proportional to 8,628.18, 11,906.37 and 4,902.18 is: 6,764.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,628.18 : 11,906.37 = 4,902.18 : x
  2. Step 2: Convert to fraction form
    8,628.18/11,906.37 = 4,902.18/x
  3. Step 3: Cross multiply
    8,628.18x = 11,906.37 × 4,902.18
  4. Step 4: Simplify right side
    8,628.18x = 58,367,168.89
  5. Step 5: Solve for x
    x = 58,367,168.89/8,628.18
  6. Step 6: Final answer
    x = 6,764.71

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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.