Home / 4,916.52-6,784.20-2,791.28

Finding the Fourth Proportional to 4,916.52, 6,784.20 and 2,791.28

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Solution

The fourth proportional to 4,916.52, 6,784.20 and 2,791.28 is: 3,851.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,916.52 : 6,784.20 = 2,791.28 : x
  2. Step 2: Convert to fraction form
    4,916.52/6,784.20 = 2,791.28/x
  3. Step 3: Cross multiply
    4,916.52x = 6,784.20 × 2,791.28
  4. Step 4: Simplify right side
    4,916.52x = 18,936,567.86
  5. Step 5: Solve for x
    x = 18,936,567.86/4,916.52
  6. Step 6: Final answer
    x = 3,851.62

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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.