Home / 4,121.15-6,182.10-1,347.84

Finding the Fourth Proportional to 4,121.15, 6,182.10 and 1,347.84

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Solution

The fourth proportional to 4,121.15, 6,182.10 and 1,347.84 is: 2,021.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,121.15 : 6,182.10 = 1,347.84 : x
  2. Step 2: Convert to fraction form
    4,121.15/6,182.10 = 1,347.84/x
  3. Step 3: Cross multiply
    4,121.15x = 6,182.10 × 1,347.84
  4. Step 4: Simplify right side
    4,121.15x = 8,332,454.12
  5. Step 5: Solve for x
    x = 8,332,454.12/4,121.15
  6. Step 6: Final answer
    x = 2,021.88

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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.