Home / 4,250.93-6,378.49-1,912.59

Finding the Fourth Proportional to 4,250.93, 6,378.49 and 1,912.59

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Solution

The fourth proportional to 4,250.93, 6,378.49 and 1,912.59 is: 2,869.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,250.93 : 6,378.49 = 1,912.59 : x
  2. Step 2: Convert to fraction form
    4,250.93/6,378.49 = 1,912.59/x
  3. Step 3: Cross multiply
    4,250.93x = 6,378.49 × 1,912.59
  4. Step 4: Simplify right side
    4,250.93x = 12,199,431.41
  5. Step 5: Solve for x
    x = 12,199,431.41/4,250.93
  6. Step 6: Final answer
    x = 2,869.82

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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.