Home / 5,171.42-7,753.34-1,659.43

Finding the Fourth Proportional to 5,171.42, 7,753.34 and 1,659.43

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Solution

The fourth proportional to 5,171.42, 7,753.34 and 1,659.43 is: 2,487.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,171.42 : 7,753.34 = 1,659.43 : x
  2. Step 2: Convert to fraction form
    5,171.42/7,753.34 = 1,659.43/x
  3. Step 3: Cross multiply
    5,171.42x = 7,753.34 × 1,659.43
  4. Step 4: Simplify right side
    5,171.42x = 12,866,125.00
  5. Step 5: Solve for x
    x = 12,866,125.00/5,171.42
  6. Step 6: Final answer
    x = 2,487.93

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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.