Home / 4,376.81-6,563.50-1,912.79

Finding the Fourth Proportional to 4,376.81, 6,563.50 and 1,912.79

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Solution

The fourth proportional to 4,376.81, 6,563.50 and 1,912.79 is: 2,868.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,376.81 : 6,563.50 = 1,912.79 : x
  2. Step 2: Convert to fraction form
    4,376.81/6,563.50 = 1,912.79/x
  3. Step 3: Cross multiply
    4,376.81x = 6,563.50 × 1,912.79
  4. Step 4: Simplify right side
    4,376.81x = 12,554,559.57
  5. Step 5: Solve for x
    x = 12,554,559.57/4,376.81
  6. Step 6: Final answer
    x = 2,868.43

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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.