Home / 8,610.28-11,879.31-4,832.80

Finding the Fourth Proportional to 8,610.28, 11,879.31 and 4,832.80

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Solution

The fourth proportional to 8,610.28, 11,879.31 and 4,832.80 is: 6,667.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,610.28 : 11,879.31 = 4,832.80 : x
  2. Step 2: Convert to fraction form
    8,610.28/11,879.31 = 4,832.80/x
  3. Step 3: Cross multiply
    8,610.28x = 11,879.31 × 4,832.80
  4. Step 4: Simplify right side
    8,610.28x = 57,410,329.37
  5. Step 5: Solve for x
    x = 57,410,329.37/8,610.28
  6. Step 6: Final answer
    x = 6,667.65

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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.