Home / 8,715.17-13,073.07-2,791.29

Finding the Fourth Proportional to 8,715.17, 13,073.07 and 2,791.29

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Solution

The fourth proportional to 8,715.17, 13,073.07 and 2,791.29 is: 4,187.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,715.17 : 13,073.07 = 2,791.29 : x
  2. Step 2: Convert to fraction form
    8,715.17/13,073.07 = 2,791.29/x
  3. Step 3: Cross multiply
    8,715.17x = 13,073.07 × 2,791.29
  4. Step 4: Simplify right side
    8,715.17x = 36,490,694.58
  5. Step 5: Solve for x
    x = 36,490,694.58/8,715.17
  6. Step 6: Final answer
    x = 4,187.03

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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.