Home / 4,127.09-6,189.21-1,204.61

Finding the Fourth Proportional to 4,127.09, 6,189.21 and 1,204.61

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Solution

The fourth proportional to 4,127.09, 6,189.21 and 1,204.61 is: 1,806.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,127.09 : 6,189.21 = 1,204.61 : x
  2. Step 2: Convert to fraction form
    4,127.09/6,189.21 = 1,204.61/x
  3. Step 3: Cross multiply
    4,127.09x = 6,189.21 × 1,204.61
  4. Step 4: Simplify right side
    4,127.09x = 7,455,553.31
  5. Step 5: Solve for x
    x = 7,455,553.31/4,127.09
  6. Step 6: Final answer
    x = 1,806.49

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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.