Home / 8,956.11-13,428.97-3,031.03

Finding the Fourth Proportional to 8,956.11, 13,428.97 and 3,031.03

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Solution

The fourth proportional to 8,956.11, 13,428.97 and 3,031.03 is: 4,544.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,956.11 : 13,428.97 = 3,031.03 : x
  2. Step 2: Convert to fraction form
    8,956.11/13,428.97 = 3,031.03/x
  3. Step 3: Cross multiply
    8,956.11x = 13,428.97 × 3,031.03
  4. Step 4: Simplify right side
    8,956.11x = 40,703,536.22
  5. Step 5: Solve for x
    x = 40,703,536.22/8,956.11
  6. Step 6: Final answer
    x = 4,544.78

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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.