Home / 8,731.52-13,096.91-2,157.53

Finding the Fourth Proportional to 8,731.52, 13,096.91 and 2,157.53

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Solution

The fourth proportional to 8,731.52, 13,096.91 and 2,157.53 is: 3,236.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,731.52 : 13,096.91 = 2,157.53 : x
  2. Step 2: Convert to fraction form
    8,731.52/13,096.91 = 2,157.53/x
  3. Step 3: Cross multiply
    8,731.52x = 13,096.91 × 2,157.53
  4. Step 4: Simplify right side
    8,731.52x = 28,256,899.96
  5. Step 5: Solve for x
    x = 28,256,899.96/8,731.52
  6. Step 6: Final answer
    x = 3,236.20

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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.