Home / 5,031.32-7,546.37-2,108.03

Finding the Fourth Proportional to 5,031.32, 7,546.37 and 2,108.03

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Solution

The fourth proportional to 5,031.32, 7,546.37 and 2,108.03 is: 3,161.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,031.32 : 7,546.37 = 2,108.03 : x
  2. Step 2: Convert to fraction form
    5,031.32/7,546.37 = 2,108.03/x
  3. Step 3: Cross multiply
    5,031.32x = 7,546.37 × 2,108.03
  4. Step 4: Simplify right side
    5,031.32x = 15,907,926.08
  5. Step 5: Solve for x
    x = 15,907,926.08/5,031.32
  6. Step 6: Final answer
    x = 3,161.78

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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.