Home / 8,979.37-13,469.06-2,405.39

Finding the Fourth Proportional to 8,979.37, 13,469.06 and 2,405.39

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Solution

The fourth proportional to 8,979.37, 13,469.06 and 2,405.39 is: 3,608.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,979.37 : 13,469.06 = 2,405.39 : x
  2. Step 2: Convert to fraction form
    8,979.37/13,469.06 = 2,405.39/x
  3. Step 3: Cross multiply
    8,979.37x = 13,469.06 × 2,405.39
  4. Step 4: Simplify right side
    8,979.37x = 32,398,342.23
  5. Step 5: Solve for x
    x = 32,398,342.23/8,979.37
  6. Step 6: Final answer
    x = 3,608.09

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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.