Home / 6,717.92-10,072.80-2,558.20

Finding the Fourth Proportional to 6,717.92, 10,072.80 and 2,558.20

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Solution

The fourth proportional to 6,717.92, 10,072.80 and 2,558.20 is: 3,835.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,717.92 : 10,072.80 = 2,558.20 : x
  2. Step 2: Convert to fraction form
    6,717.92/10,072.80 = 2,558.20/x
  3. Step 3: Cross multiply
    6,717.92x = 10,072.80 × 2,558.20
  4. Step 4: Simplify right side
    6,717.92x = 25,768,236.96
  5. Step 5: Solve for x
    x = 25,768,236.96/6,717.92
  6. Step 6: Final answer
    x = 3,835.75

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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.