Home / 8,717.94-13,080.60-3,791.76

Finding the Fourth Proportional to 8,717.94, 13,080.60 and 3,791.76

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Solution

The fourth proportional to 8,717.94, 13,080.60 and 3,791.76 is: 5,689.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,717.94 : 13,080.60 = 3,791.76 : x
  2. Step 2: Convert to fraction form
    8,717.94/13,080.60 = 3,791.76/x
  3. Step 3: Cross multiply
    8,717.94x = 13,080.60 × 3,791.76
  4. Step 4: Simplify right side
    8,717.94x = 49,598,495.86
  5. Step 5: Solve for x
    x = 49,598,495.86/8,717.94
  6. Step 6: Final answer
    x = 5,689.24

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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.