Home / 9,791.53-14,689.76-3,217.78

Finding the Fourth Proportional to 9,791.53, 14,689.76 and 3,217.78

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Solution

The fourth proportional to 9,791.53, 14,689.76 and 3,217.78 is: 4,827.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,791.53 : 14,689.76 = 3,217.78 : x
  2. Step 2: Convert to fraction form
    9,791.53/14,689.76 = 3,217.78/x
  3. Step 3: Cross multiply
    9,791.53x = 14,689.76 × 3,217.78
  4. Step 4: Simplify right side
    9,791.53x = 47,268,335.58
  5. Step 5: Solve for x
    x = 47,268,335.58/9,791.53
  6. Step 6: Final answer
    x = 4,827.47

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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.