Home / 5,546.79-8,314.65-2,619.90

Finding the Fourth Proportional to 5,546.79, 8,314.65 and 2,619.90

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Solution

The fourth proportional to 5,546.79, 8,314.65 and 2,619.90 is: 3,927.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,546.79 : 8,314.65 = 2,619.90 : x
  2. Step 2: Convert to fraction form
    5,546.79/8,314.65 = 2,619.90/x
  3. Step 3: Cross multiply
    5,546.79x = 8,314.65 × 2,619.90
  4. Step 4: Simplify right side
    5,546.79x = 21,783,551.54
  5. Step 5: Solve for x
    x = 21,783,551.54/5,546.79
  6. Step 6: Final answer
    x = 3,927.24

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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.