Home / 4,182.20-6,276.12-2,235.80

Finding the Fourth Proportional to 4,182.20, 6,276.12 and 2,235.80

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Solution

The fourth proportional to 4,182.20, 6,276.12 and 2,235.80 is: 3,355.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,182.20 : 6,276.12 = 2,235.80 : x
  2. Step 2: Convert to fraction form
    4,182.20/6,276.12 = 2,235.80/x
  3. Step 3: Cross multiply
    4,182.20x = 6,276.12 × 2,235.80
  4. Step 4: Simplify right side
    4,182.20x = 14,032,149.10
  5. Step 5: Solve for x
    x = 14,032,149.10/4,182.20
  6. Step 6: Final answer
    x = 3,355.21

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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.