Home / 5,031.32-7,542.32-1,910.39

Finding the Fourth Proportional to 5,031.32, 7,542.32 and 1,910.39

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Solution

The fourth proportional to 5,031.32, 7,542.32 and 1,910.39 is: 2,863.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,031.32 : 7,542.32 = 1,910.39 : x
  2. Step 2: Convert to fraction form
    5,031.32/7,542.32 = 1,910.39/x
  3. Step 3: Cross multiply
    5,031.32x = 7,542.32 × 1,910.39
  4. Step 4: Simplify right side
    5,031.32x = 14,408,725.44
  5. Step 5: Solve for x
    x = 14,408,725.44/5,031.32
  6. Step 6: Final answer
    x = 2,863.81

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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.