Home / 9,811.29-14,717.79-2,791.35

Finding the Fourth Proportional to 9,811.29, 14,717.79 and 2,791.35

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Solution

The fourth proportional to 9,811.29, 14,717.79 and 2,791.35 is: 4,187.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,811.29 : 14,717.79 = 2,791.35 : x
  2. Step 2: Convert to fraction form
    9,811.29/14,717.79 = 2,791.35/x
  3. Step 3: Cross multiply
    9,811.29x = 14,717.79 × 2,791.35
  4. Step 4: Simplify right side
    9,811.29x = 41,082,503.12
  5. Step 5: Solve for x
    x = 41,082,503.12/9,811.29
  6. Step 6: Final answer
    x = 4,187.27

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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.