Home / 4,126.20-6,189.30-1,822.20

Finding the Fourth Proportional to 4,126.20, 6,189.30 and 1,822.20

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Solution

The fourth proportional to 4,126.20, 6,189.30 and 1,822.20 is: 2,733.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,126.20 : 6,189.30 = 1,822.20 : x
  2. Step 2: Convert to fraction form
    4,126.20/6,189.30 = 1,822.20/x
  3. Step 3: Cross multiply
    4,126.20x = 6,189.30 × 1,822.20
  4. Step 4: Simplify right side
    4,126.20x = 11,278,142.46
  5. Step 5: Solve for x
    x = 11,278,142.46/4,126.20
  6. Step 6: Final answer
    x = 2,733.30

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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.