Home / 4,921.88-6,792.19-2,826

Finding the Fourth Proportional to 4,921.88, 6,792.19 and 2,826

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Solution

The fourth proportional to 4,921.88, 6,792.19 and 2,826 is: 3,899.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,921.88 : 6,792.19 = 2,826 : x
  2. Step 2: Convert to fraction form
    4,921.88/6,792.19 = 2,826/x
  3. Step 3: Cross multiply
    4,921.88x = 6,792.19 × 2,826
  4. Step 4: Simplify right side
    4,921.88x = 19,194,721.88
  5. Step 5: Solve for x
    x = 19,194,721.88/4,921.88
  6. Step 6: Final answer
    x = 3,899.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.