Home / 4,902.05-6,765.41-2,912.61

Finding the Fourth Proportional to 4,902.05, 6,765.41 and 2,912.61

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Solution

The fourth proportional to 4,902.05, 6,765.41 and 2,912.61 is: 4,019.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,902.05 : 6,765.41 = 2,912.61 : x
  2. Step 2: Convert to fraction form
    4,902.05/6,765.41 = 2,912.61/x
  3. Step 3: Cross multiply
    4,902.05x = 6,765.41 × 2,912.61
  4. Step 4: Simplify right side
    4,902.05x = 19,704,979.03
  5. Step 5: Solve for x
    x = 19,704,979.03/4,902.05
  6. Step 6: Final answer
    x = 4,019.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.