Home / 8,073.50-12,103.32-2,805.20

Finding the Fourth Proportional to 8,073.50, 12,103.32 and 2,805.20

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Solution

The fourth proportional to 8,073.50, 12,103.32 and 2,805.20 is: 4,205.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,073.50 : 12,103.32 = 2,805.20 : x
  2. Step 2: Convert to fraction form
    8,073.50/12,103.32 = 2,805.20/x
  3. Step 3: Cross multiply
    8,073.50x = 12,103.32 × 2,805.20
  4. Step 4: Simplify right side
    8,073.50x = 33,952,233.26
  5. Step 5: Solve for x
    x = 33,952,233.26/8,073.50
  6. Step 6: Final answer
    x = 4,205.39

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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.