Home / 4,245.20-6,367.80-2,862.80

Finding the Fourth Proportional to 4,245.20, 6,367.80 and 2,862.80

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Solution

The fourth proportional to 4,245.20, 6,367.80 and 2,862.80 is: 4,294.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,245.20 : 6,367.80 = 2,862.80 : x
  2. Step 2: Convert to fraction form
    4,245.20/6,367.80 = 2,862.80/x
  3. Step 3: Cross multiply
    4,245.20x = 6,367.80 × 2,862.80
  4. Step 4: Simplify right side
    4,245.20x = 18,229,737.84
  5. Step 5: Solve for x
    x = 18,229,737.84/4,245.20
  6. Step 6: Final answer
    x = 4,294.20

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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.