Home / 6,968.05-9,615.19-3,943.51

Finding the Fourth Proportional to 6,968.05, 9,615.19 and 3,943.51

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Solution

The fourth proportional to 6,968.05, 9,615.19 and 3,943.51 is: 5,441.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,968.05 : 9,615.19 = 3,943.51 : x
  2. Step 2: Convert to fraction form
    6,968.05/9,615.19 = 3,943.51/x
  3. Step 3: Cross multiply
    6,968.05x = 9,615.19 × 3,943.51
  4. Step 4: Simplify right side
    6,968.05x = 37,917,578.20
  5. Step 5: Solve for x
    x = 37,917,578.20/6,968.05
  6. Step 6: Final answer
    x = 5,441.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.