Home / 4,912.81-7,376.61-4,226.95

Finding the Fourth Proportional to 4,912.81, 7,376.61 and 4,226.95

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Solution

The fourth proportional to 4,912.81, 7,376.61 and 4,226.95 is: 6,346.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,912.81 : 7,376.61 = 4,226.95 : x
  2. Step 2: Convert to fraction form
    4,912.81/7,376.61 = 4,226.95/x
  3. Step 3: Cross multiply
    4,912.81x = 7,376.61 × 4,226.95
  4. Step 4: Simplify right side
    4,912.81x = 31,180,561.64
  5. Step 5: Solve for x
    x = 31,180,561.64/4,912.81
  6. Step 6: Final answer
    x = 6,346.79

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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.