Home / 6,741.40-10,107.30-2,579.80

Finding the Fourth Proportional to 6,741.40, 10,107.30 and 2,579.80

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Solution

The fourth proportional to 6,741.40, 10,107.30 and 2,579.80 is: 3,867.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,741.40 : 10,107.30 = 2,579.80 : x
  2. Step 2: Convert to fraction form
    6,741.40/10,107.30 = 2,579.80/x
  3. Step 3: Cross multiply
    6,741.40x = 10,107.30 × 2,579.80
  4. Step 4: Simplify right side
    6,741.40x = 26,074,812.54
  5. Step 5: Solve for x
    x = 26,074,812.54/6,741.40
  6. Step 6: Final answer
    x = 3,867.86

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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.