Home / 8,729.96-13,096.56-2,890.68

Finding the Fourth Proportional to 8,729.96, 13,096.56 and 2,890.68

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Solution

The fourth proportional to 8,729.96, 13,096.56 and 2,890.68 is: 4,336.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,729.96 : 13,096.56 = 2,890.68 : x
  2. Step 2: Convert to fraction form
    8,729.96/13,096.56 = 2,890.68/x
  3. Step 3: Cross multiply
    8,729.96x = 13,096.56 × 2,890.68
  4. Step 4: Simplify right side
    8,729.96x = 37,857,964.06
  5. Step 5: Solve for x
    x = 37,857,964.06/8,729.96
  6. Step 6: Final answer
    x = 4,336.56

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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.