Home / 6,428.97-9,645.53-2,734.31

Finding the Fourth Proportional to 6,428.97, 9,645.53 and 2,734.31

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Solution

The fourth proportional to 6,428.97, 9,645.53 and 2,734.31 is: 4,102.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,428.97 : 9,645.53 = 2,734.31 : x
  2. Step 2: Convert to fraction form
    6,428.97/9,645.53 = 2,734.31/x
  3. Step 3: Cross multiply
    6,428.97x = 9,645.53 × 2,734.31
  4. Step 4: Simplify right side
    6,428.97x = 26,373,840.70
  5. Step 5: Solve for x
    x = 26,373,840.70/6,428.97
  6. Step 6: Final answer
    x = 4,102.34

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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.