Home / 4,806.80-7,200.85-3,158.38

Finding the Fourth Proportional to 4,806.80, 7,200.85 and 3,158.38

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Solution

The fourth proportional to 4,806.80, 7,200.85 and 3,158.38 is: 4,731.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,806.80 : 7,200.85 = 3,158.38 : x
  2. Step 2: Convert to fraction form
    4,806.80/7,200.85 = 3,158.38/x
  3. Step 3: Cross multiply
    4,806.80x = 7,200.85 × 3,158.38
  4. Step 4: Simplify right side
    4,806.80x = 22,743,020.62
  5. Step 5: Solve for x
    x = 22,743,020.62/4,806.80
  6. Step 6: Final answer
    x = 4,731.43

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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.