Home / 7,127.55-10,684.85-3,229.83

Finding the Fourth Proportional to 7,127.55, 10,684.85 and 3,229.83

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Solution

The fourth proportional to 7,127.55, 10,684.85 and 3,229.83 is: 4,841.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,127.55 : 10,684.85 = 3,229.83 : x
  2. Step 2: Convert to fraction form
    7,127.55/10,684.85 = 3,229.83/x
  3. Step 3: Cross multiply
    7,127.55x = 10,684.85 × 3,229.83
  4. Step 4: Simplify right side
    7,127.55x = 34,510,232.93
  5. Step 5: Solve for x
    x = 34,510,232.93/7,127.55
  6. Step 6: Final answer
    x = 4,841.81

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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.