Home / 8,205.73-12,307.91-3,525.55

Finding the Fourth Proportional to 8,205.73, 12,307.91 and 3,525.55

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Solution

The fourth proportional to 8,205.73, 12,307.91 and 3,525.55 is: 5,288.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,205.73 : 12,307.91 = 3,525.55 : x
  2. Step 2: Convert to fraction form
    8,205.73/12,307.91 = 3,525.55/x
  3. Step 3: Cross multiply
    8,205.73x = 12,307.91 × 3,525.55
  4. Step 4: Simplify right side
    8,205.73x = 43,392,163.11
  5. Step 5: Solve for x
    x = 43,392,163.11/8,205.73
  6. Step 6: Final answer
    x = 5,288.03

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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.