Home / 8,628.20-11,906.40-5,092.52

Finding the Fourth Proportional to 8,628.20, 11,906.40 and 5,092.52

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Solution

The fourth proportional to 8,628.20, 11,906.40 and 5,092.52 is: 7,027.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,628.20 : 11,906.40 = 5,092.52 : x
  2. Step 2: Convert to fraction form
    8,628.20/11,906.40 = 5,092.52/x
  3. Step 3: Cross multiply
    8,628.20x = 11,906.40 × 5,092.52
  4. Step 4: Simplify right side
    8,628.20x = 60,633,580.13
  5. Step 5: Solve for x
    x = 60,633,580.13/8,628.20
  6. Step 6: Final answer
    x = 7,027.37

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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.