Home / 5,086.26-7,018.92-2,990.52

Finding the Fourth Proportional to 5,086.26, 7,018.92 and 2,990.52

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Solution

The fourth proportional to 5,086.26, 7,018.92 and 2,990.52 is: 4,126.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,086.26 : 7,018.92 = 2,990.52 : x
  2. Step 2: Convert to fraction form
    5,086.26/7,018.92 = 2,990.52/x
  3. Step 3: Cross multiply
    5,086.26x = 7,018.92 × 2,990.52
  4. Step 4: Simplify right side
    5,086.26x = 20,990,220.64
  5. Step 5: Solve for x
    x = 20,990,220.64/5,086.26
  6. Step 6: Final answer
    x = 4,126.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.