Home / 5,078.26-7,615.38-1,956.54

Finding the Fourth Proportional to 5,078.26, 7,615.38 and 1,956.54

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Solution

The fourth proportional to 5,078.26, 7,615.38 and 1,956.54 is: 2,934.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,078.26 : 7,615.38 = 1,956.54 : x
  2. Step 2: Convert to fraction form
    5,078.26/7,615.38 = 1,956.54/x
  3. Step 3: Cross multiply
    5,078.26x = 7,615.38 × 1,956.54
  4. Step 4: Simplify right side
    5,078.26x = 14,899,795.59
  5. Step 5: Solve for x
    x = 14,899,795.59/5,078.26
  6. Step 6: Final answer
    x = 2,934.04

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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.