Home / 4,256.84-6,387.72-1,791.44

Finding the Fourth Proportional to 4,256.84, 6,387.72 and 1,791.44

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Solution

The fourth proportional to 4,256.84, 6,387.72 and 1,791.44 is: 2,688.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,256.84 : 6,387.72 = 1,791.44 : x
  2. Step 2: Convert to fraction form
    4,256.84/6,387.72 = 1,791.44/x
  3. Step 3: Cross multiply
    4,256.84x = 6,387.72 × 1,791.44
  4. Step 4: Simplify right side
    4,256.84x = 11,443,217.12
  5. Step 5: Solve for x
    x = 11,443,217.12/4,256.84
  6. Step 6: Final answer
    x = 2,688.20

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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.