Home / 6,968.66-9,617.40-3,983.90

Finding the Fourth Proportional to 6,968.66, 9,617.40 and 3,983.90

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Solution

The fourth proportional to 6,968.66, 9,617.40 and 3,983.90 is: 5,498.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,968.66 : 9,617.40 = 3,983.90 : x
  2. Step 2: Convert to fraction form
    6,968.66/9,617.40 = 3,983.90/x
  3. Step 3: Cross multiply
    6,968.66x = 9,617.40 × 3,983.90
  4. Step 4: Simplify right side
    6,968.66x = 38,314,783.90
  5. Step 5: Solve for x
    x = 38,314,783.90/6,968.66
  6. Step 6: Final answer
    x = 5,498.15

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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.