Home / 5,031.45-7,544.74-2,108.97

Finding the Fourth Proportional to 5,031.45, 7,544.74 and 2,108.97

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Solution

The fourth proportional to 5,031.45, 7,544.74 and 2,108.97 is: 3,162.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,031.45 : 7,544.74 = 2,108.97 : x
  2. Step 2: Convert to fraction form
    5,031.45/7,544.74 = 2,108.97/x
  3. Step 3: Cross multiply
    5,031.45x = 7,544.74 × 2,108.97
  4. Step 4: Simplify right side
    5,031.45x = 15,911,592.59
  5. Step 5: Solve for x
    x = 15,911,592.59/5,031.45
  6. Step 6: Final answer
    x = 3,162.43

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1.5x scale

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.