Home / 4,256.62-6,386.74-1,791.98

Finding the Fourth Proportional to 4,256.62, 6,386.74 and 1,791.98

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Solution

The fourth proportional to 4,256.62, 6,386.74 and 1,791.98 is: 2,688.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,256.62 : 6,386.74 = 1,791.98 : x
  2. Step 2: Convert to fraction form
    4,256.62/6,386.74 = 1,791.98/x
  3. Step 3: Cross multiply
    4,256.62x = 6,386.74 × 1,791.98
  4. Step 4: Simplify right side
    4,256.62x = 11,444,910.35
  5. Step 5: Solve for x
    x = 11,444,910.35/4,256.62
  6. Step 6: Final answer
    x = 2,688.73

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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.