Home / 8,731.54-13,097.33-2,157.63

Finding the Fourth Proportional to 8,731.54, 13,097.33 and 2,157.63

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Solution

The fourth proportional to 8,731.54, 13,097.33 and 2,157.63 is: 3,236.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,731.54 : 13,097.33 = 2,157.63 : x
  2. Step 2: Convert to fraction form
    8,731.54/13,097.33 = 2,157.63/x
  3. Step 3: Cross multiply
    8,731.54x = 13,097.33 × 2,157.63
  4. Step 4: Simplify right side
    8,731.54x = 28,259,148.60
  5. Step 5: Solve for x
    x = 28,259,148.60/8,731.54
  6. Step 6: Final answer
    x = 3,236.44

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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.