Home / 4,640.40-6,968.88-3,410.28

Finding the Fourth Proportional to 4,640.40, 6,968.88 and 3,410.28

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Solution

The fourth proportional to 4,640.40, 6,968.88 and 3,410.28 is: 5,121.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,640.40 : 6,968.88 = 3,410.28 : x
  2. Step 2: Convert to fraction form
    4,640.40/6,968.88 = 3,410.28/x
  3. Step 3: Cross multiply
    4,640.40x = 6,968.88 × 3,410.28
  4. Step 4: Simplify right side
    4,640.40x = 23,765,832.09
  5. Step 5: Solve for x
    x = 23,765,832.09/4,640.40
  6. Step 6: Final answer
    x = 5,121.51

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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.