Home / 5,445.37-8,161.39-3,876.88

Finding the Fourth Proportional to 5,445.37, 8,161.39 and 3,876.88

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Solution

The fourth proportional to 5,445.37, 8,161.39 and 3,876.88 is: 5,810.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,445.37 : 8,161.39 = 3,876.88 : x
  2. Step 2: Convert to fraction form
    5,445.37/8,161.39 = 3,876.88/x
  3. Step 3: Cross multiply
    5,445.37x = 8,161.39 × 3,876.88
  4. Step 4: Simplify right side
    5,445.37x = 31,640,729.66
  5. Step 5: Solve for x
    x = 31,640,729.66/5,445.37
  6. Step 6: Final answer
    x = 5,810.57

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1.5x scale

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.