Home / 9,145.29-13,716.84-3,881.07

Finding the Fourth Proportional to 9,145.29, 13,716.84 and 3,881.07

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Solution

The fourth proportional to 9,145.29, 13,716.84 and 3,881.07 is: 5,821.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,145.29 : 13,716.84 = 3,881.07 : x
  2. Step 2: Convert to fraction form
    9,145.29/13,716.84 = 3,881.07/x
  3. Step 3: Cross multiply
    9,145.29x = 13,716.84 × 3,881.07
  4. Step 4: Simplify right side
    9,145.29x = 53,236,016.22
  5. Step 5: Solve for x
    x = 53,236,016.22/9,145.29
  6. Step 6: Final answer
    x = 5,821.14

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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.