Home / 4,189.48-6,282.38-2,108.18

Finding the Fourth Proportional to 4,189.48, 6,282.38 and 2,108.18

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Solution

The fourth proportional to 4,189.48, 6,282.38 and 2,108.18 is: 3,161.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,189.48 : 6,282.38 = 2,108.18 : x
  2. Step 2: Convert to fraction form
    4,189.48/6,282.38 = 2,108.18/x
  3. Step 3: Cross multiply
    4,189.48x = 6,282.38 × 2,108.18
  4. Step 4: Simplify right side
    4,189.48x = 13,244,387.87
  5. Step 5: Solve for x
    x = 13,244,387.87/4,189.48
  6. Step 6: Final answer
    x = 3,161.34

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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.