Home / 5,126.79-7,690.34-3,382.97

Finding the Fourth Proportional to 5,126.79, 7,690.34 and 3,382.97

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Solution

The fourth proportional to 5,126.79, 7,690.34 and 3,382.97 is: 5,074.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,126.79 : 7,690.34 = 3,382.97 : x
  2. Step 2: Convert to fraction form
    5,126.79/7,690.34 = 3,382.97/x
  3. Step 3: Cross multiply
    5,126.79x = 7,690.34 × 3,382.97
  4. Step 4: Simplify right side
    5,126.79x = 26,016,134.14
  5. Step 5: Solve for x
    x = 26,016,134.14/5,126.79
  6. Step 6: Final answer
    x = 5,074.55

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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.