Home / 5,375.10-8,057.79-1,911.54

Finding the Fourth Proportional to 5,375.10, 8,057.79 and 1,911.54

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Solution

The fourth proportional to 5,375.10, 8,057.79 and 1,911.54 is: 2,865.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,375.10 : 8,057.79 = 1,911.54 : x
  2. Step 2: Convert to fraction form
    5,375.10/8,057.79 = 1,911.54/x
  3. Step 3: Cross multiply
    5,375.10x = 8,057.79 × 1,911.54
  4. Step 4: Simplify right side
    5,375.10x = 15,402,787.90
  5. Step 5: Solve for x
    x = 15,402,787.90/5,375.10
  6. Step 6: Final answer
    x = 2,865.58

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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.