Home / 4,139.43-6,212.79-3,490.62

Finding the Fourth Proportional to 4,139.43, 6,212.79 and 3,490.62

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Solution

The fourth proportional to 4,139.43, 6,212.79 and 3,490.62 is: 5,239.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,139.43 : 6,212.79 = 3,490.62 : x
  2. Step 2: Convert to fraction form
    4,139.43/6,212.79 = 3,490.62/x
  3. Step 3: Cross multiply
    4,139.43x = 6,212.79 × 3,490.62
  4. Step 4: Simplify right side
    4,139.43x = 21,686,489.03
  5. Step 5: Solve for x
    x = 21,686,489.03/4,139.43
  6. Step 6: Final answer
    x = 5,239.00

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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.