Home / 8,731.26-13,096.54-2,157.27

Finding the Fourth Proportional to 8,731.26, 13,096.54 and 2,157.27

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Solution

The fourth proportional to 8,731.26, 13,096.54 and 2,157.27 is: 3,235.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,731.26 : 13,096.54 = 2,157.27 : x
  2. Step 2: Convert to fraction form
    8,731.26/13,096.54 = 2,157.27/x
  3. Step 3: Cross multiply
    8,731.26x = 13,096.54 × 2,157.27
  4. Step 4: Simplify right side
    8,731.26x = 28,252,762.06
  5. Step 5: Solve for x
    x = 28,252,762.06/8,731.26
  6. Step 6: Final answer
    x = 3,235.82

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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.