Home / 4,138.29-6,206.16-2,189.43

Finding the Fourth Proportional to 4,138.29, 6,206.16 and 2,189.43

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Solution

The fourth proportional to 4,138.29, 6,206.16 and 2,189.43 is: 3,283.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,138.29 : 6,206.16 = 2,189.43 : x
  2. Step 2: Convert to fraction form
    4,138.29/6,206.16 = 2,189.43/x
  3. Step 3: Cross multiply
    4,138.29x = 6,206.16 × 2,189.43
  4. Step 4: Simplify right side
    4,138.29x = 13,587,952.89
  5. Step 5: Solve for x
    x = 13,587,952.89/4,138.29
  6. Step 6: Final answer
    x = 3,283.47

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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.