Home / 4,548.20-6,822.30-4,137.80

Finding the Fourth Proportional to 4,548.20, 6,822.30 and 4,137.80

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Solution

The fourth proportional to 4,548.20, 6,822.30 and 4,137.80 is: 6,206.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,548.20 : 6,822.30 = 4,137.80 : x
  2. Step 2: Convert to fraction form
    4,548.20/6,822.30 = 4,137.80/x
  3. Step 3: Cross multiply
    4,548.20x = 6,822.30 × 4,137.80
  4. Step 4: Simplify right side
    4,548.20x = 28,229,312.94
  5. Step 5: Solve for x
    x = 28,229,312.94/4,548.20
  6. Step 6: Final answer
    x = 6,206.70

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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.