Home / 4,198.10-6,309.30-4,125.20

Finding the Fourth Proportional to 4,198.10, 6,309.30 and 4,125.20

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Solution

The fourth proportional to 4,198.10, 6,309.30 and 4,125.20 is: 6,199.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,198.10 : 6,309.30 = 4,125.20 : x
  2. Step 2: Convert to fraction form
    4,198.10/6,309.30 = 4,125.20/x
  3. Step 3: Cross multiply
    4,198.10x = 6,309.30 × 4,125.20
  4. Step 4: Simplify right side
    4,198.10x = 26,027,124.36
  5. Step 5: Solve for x
    x = 26,027,124.36/4,198.10
  6. Step 6: Final answer
    x = 6,199.74

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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.