Home / 5,367.96-8,050.32-1,905

Finding the Fourth Proportional to 5,367.96, 8,050.32 and 1,905

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Solution

The fourth proportional to 5,367.96, 8,050.32 and 1,905 is: 2,856.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,367.96 : 8,050.32 = 1,905 : x
  2. Step 2: Convert to fraction form
    5,367.96/8,050.32 = 1,905/x
  3. Step 3: Cross multiply
    5,367.96x = 8,050.32 × 1,905
  4. Step 4: Simplify right side
    5,367.96x = 15,335,859.60
  5. Step 5: Solve for x
    x = 15,335,859.60/5,367.96
  6. Step 6: Final answer
    x = 2,856.93

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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.