Home / 6,419.43-8,858.39-3,624.75

Finding the Fourth Proportional to 6,419.43, 8,858.39 and 3,624.75

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Solution

The fourth proportional to 6,419.43, 8,858.39 and 3,624.75 is: 5,001.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,419.43 : 8,858.39 = 3,624.75 : x
  2. Step 2: Convert to fraction form
    6,419.43/8,858.39 = 3,624.75/x
  3. Step 3: Cross multiply
    6,419.43x = 8,858.39 × 3,624.75
  4. Step 4: Simplify right side
    6,419.43x = 32,109,431.03
  5. Step 5: Solve for x
    x = 32,109,431.03/6,419.43
  6. Step 6: Final answer
    x = 5,001.91

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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.