Home / 8,734.12-13,100.94-2,160.28

Finding the Fourth Proportional to 8,734.12, 13,100.94 and 2,160.28

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Solution

The fourth proportional to 8,734.12, 13,100.94 and 2,160.28 is: 3,240.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,734.12 : 13,100.94 = 2,160.28 : x
  2. Step 2: Convert to fraction form
    8,734.12/13,100.94 = 2,160.28/x
  3. Step 3: Cross multiply
    8,734.12x = 13,100.94 × 2,160.28
  4. Step 4: Simplify right side
    8,734.12x = 28,301,698.66
  5. Step 5: Solve for x
    x = 28,301,698.66/8,734.12
  6. Step 6: Final answer
    x = 3,240.36

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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.