Home / 6,078.53-9,116.49-1,918.86

Finding the Fourth Proportional to 6,078.53, 9,116.49 and 1,918.86

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Solution

The fourth proportional to 6,078.53, 9,116.49 and 1,918.86 is: 2,877.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,078.53 : 9,116.49 = 1,918.86 : x
  2. Step 2: Convert to fraction form
    6,078.53/9,116.49 = 1,918.86/x
  3. Step 3: Cross multiply
    6,078.53x = 9,116.49 × 1,918.86
  4. Step 4: Simplify right side
    6,078.53x = 17,493,304.44
  5. Step 5: Solve for x
    x = 17,493,304.44/6,078.53
  6. Step 6: Final answer
    x = 2,877.88

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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.