Home / 5,162.80-7,745.04-3,217.12

Finding the Fourth Proportional to 5,162.80, 7,745.04 and 3,217.12

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Solution

The fourth proportional to 5,162.80, 7,745.04 and 3,217.12 is: 4,826.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,162.80 : 7,745.04 = 3,217.12 : x
  2. Step 2: Convert to fraction form
    5,162.80/7,745.04 = 3,217.12/x
  3. Step 3: Cross multiply
    5,162.80x = 7,745.04 × 3,217.12
  4. Step 4: Simplify right side
    5,162.80x = 24,916,723.08
  5. Step 5: Solve for x
    x = 24,916,723.08/5,162.80
  6. Step 6: Final answer
    x = 4,826.20

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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.