Home / 5,374.50-8,062.44-1,911.78

Finding the Fourth Proportional to 5,374.50, 8,062.44 and 1,911.78

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Solution

The fourth proportional to 5,374.50, 8,062.44 and 1,911.78 is: 2,867.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,374.50 : 8,062.44 = 1,911.78 : x
  2. Step 2: Convert to fraction form
    5,374.50/8,062.44 = 1,911.78/x
  3. Step 3: Cross multiply
    5,374.50x = 8,062.44 × 1,911.78
  4. Step 4: Simplify right side
    5,374.50x = 15,413,611.54
  5. Step 5: Solve for x
    x = 15,413,611.54/5,374.50
  6. Step 6: Final answer
    x = 2,867.92

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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.