Home / 8,786.09-13,180.90-3,239.46

Finding the Fourth Proportional to 8,786.09, 13,180.90 and 3,239.46

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Solution

The fourth proportional to 8,786.09, 13,180.90 and 3,239.46 is: 4,859.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,786.09 : 13,180.90 = 3,239.46 : x
  2. Step 2: Convert to fraction form
    8,786.09/13,180.90 = 3,239.46/x
  3. Step 3: Cross multiply
    8,786.09x = 13,180.90 × 3,239.46
  4. Step 4: Simplify right side
    8,786.09x = 42,698,998.31
  5. Step 5: Solve for x
    x = 42,698,998.31/8,786.09
  6. Step 6: Final answer
    x = 4,859.84

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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.