Home / 6,930.76-10,389.78-2,544.88

Finding the Fourth Proportional to 6,930.76, 10,389.78 and 2,544.88

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Solution

The fourth proportional to 6,930.76, 10,389.78 and 2,544.88 is: 3,814.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,930.76 : 10,389.78 = 2,544.88 : x
  2. Step 2: Convert to fraction form
    6,930.76/10,389.78 = 2,544.88/x
  3. Step 3: Cross multiply
    6,930.76x = 10,389.78 × 2,544.88
  4. Step 4: Simplify right side
    6,930.76x = 26,440,743.33
  5. Step 5: Solve for x
    x = 26,440,743.33/6,930.76
  6. Step 6: Final answer
    x = 3,814.98

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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.