Home / 8,783.06-13,179.78-3,240.29

Finding the Fourth Proportional to 8,783.06, 13,179.78 and 3,240.29

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Solution

The fourth proportional to 8,783.06, 13,179.78 and 3,240.29 is: 4,862.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,783.06 : 13,179.78 = 3,240.29 : x
  2. Step 2: Convert to fraction form
    8,783.06/13,179.78 = 3,240.29/x
  3. Step 3: Cross multiply
    8,783.06x = 13,179.78 × 3,240.29
  4. Step 4: Simplify right side
    8,783.06x = 42,706,342.29
  5. Step 5: Solve for x
    x = 42,706,342.29/8,783.06
  6. Step 6: Final answer
    x = 4,862.36

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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.