Home / 4,078.74-6,118.55-1,304.43

Finding the Fourth Proportional to 4,078.74, 6,118.55 and 1,304.43

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Solution

The fourth proportional to 4,078.74, 6,118.55 and 1,304.43 is: 1,956.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,078.74 : 6,118.55 = 1,304.43 : x
  2. Step 2: Convert to fraction form
    4,078.74/6,118.55 = 1,304.43/x
  3. Step 3: Cross multiply
    4,078.74x = 6,118.55 × 1,304.43
  4. Step 4: Simplify right side
    4,078.74x = 7,981,220.18
  5. Step 5: Solve for x
    x = 7,981,220.18/4,078.74
  6. Step 6: Final answer
    x = 1,956.79

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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.