Home / 6,418.43-8,858.06-3,765.75

Finding the Fourth Proportional to 6,418.43, 8,858.06 and 3,765.75

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Solution

The fourth proportional to 6,418.43, 8,858.06 and 3,765.75 is: 5,197.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,418.43 : 8,858.06 = 3,765.75 : x
  2. Step 2: Convert to fraction form
    6,418.43/8,858.06 = 3,765.75/x
  3. Step 3: Cross multiply
    6,418.43x = 8,858.06 × 3,765.75
  4. Step 4: Simplify right side
    6,418.43x = 33,357,239.45
  5. Step 5: Solve for x
    x = 33,357,239.45/6,418.43
  6. Step 6: Final answer
    x = 5,197.10

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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.