Home / 8,785.09-13,179.40-3,238.46

Finding the Fourth Proportional to 8,785.09, 13,179.40 and 3,238.46

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Solution

The fourth proportional to 8,785.09, 13,179.40 and 3,238.46 is: 4,858.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,785.09 : 13,179.40 = 3,238.46 : x
  2. Step 2: Convert to fraction form
    8,785.09/13,179.40 = 3,238.46/x
  3. Step 3: Cross multiply
    8,785.09x = 13,179.40 × 3,238.46
  4. Step 4: Simplify right side
    8,785.09x = 42,680,877.63
  5. Step 5: Solve for x
    x = 42,680,877.63/8,785.09
  6. Step 6: Final answer
    x = 4,858.33

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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.