Home / 5,378.84-8,062.20-2,738.93

Finding the Fourth Proportional to 5,378.84, 8,062.20 and 2,738.93

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Solution

The fourth proportional to 5,378.84, 8,062.20 and 2,738.93 is: 4,105.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,378.84 : 8,062.20 = 2,738.93 : x
  2. Step 2: Convert to fraction form
    5,378.84/8,062.20 = 2,738.93/x
  3. Step 3: Cross multiply
    5,378.84x = 8,062.20 × 2,738.93
  4. Step 4: Simplify right side
    5,378.84x = 22,081,787.75
  5. Step 5: Solve for x
    x = 22,081,787.75/5,378.84
  6. Step 6: Final answer
    x = 4,105.31

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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.