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Finding the Fourth Proportional to 6,375.66, 8,798.61 and 3,858.24

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Solution

The fourth proportional to 6,375.66, 8,798.61 and 3,858.24 is: 5,324.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,375.66 : 8,798.61 = 3,858.24 : x
  2. Step 2: Convert to fraction form
    6,375.66/8,798.61 = 3,858.24/x
  3. Step 3: Cross multiply
    6,375.66x = 8,798.61 × 3,858.24
  4. Step 4: Simplify right side
    6,375.66x = 33,947,149.05
  5. Step 5: Solve for x
    x = 33,947,149.05/6,375.66
  6. Step 6: Final answer
    x = 5,324.49

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1.5x scale

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.