Home / 4,815.20-7,226.91-3,431.93

Finding the Fourth Proportional to 4,815.20, 7,226.91 and 3,431.93

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Solution

The fourth proportional to 4,815.20, 7,226.91 and 3,431.93 is: 5,150.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,815.20 : 7,226.91 = 3,431.93 : x
  2. Step 2: Convert to fraction form
    4,815.20/7,226.91 = 3,431.93/x
  3. Step 3: Cross multiply
    4,815.20x = 7,226.91 × 3,431.93
  4. Step 4: Simplify right side
    4,815.20x = 24,802,213.10
  5. Step 5: Solve for x
    x = 24,802,213.10/4,815.20
  6. Step 6: Final answer
    x = 5,150.82

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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.