Home / 4,285.33-6,419.05-3,447.88

Finding the Fourth Proportional to 4,285.33, 6,419.05 and 3,447.88

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Solution

The fourth proportional to 4,285.33, 6,419.05 and 3,447.88 is: 5,164.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,285.33 : 6,419.05 = 3,447.88 : x
  2. Step 2: Convert to fraction form
    4,285.33/6,419.05 = 3,447.88/x
  3. Step 3: Cross multiply
    4,285.33x = 6,419.05 × 3,447.88
  4. Step 4: Simplify right side
    4,285.33x = 22,132,114.11
  5. Step 5: Solve for x
    x = 22,132,114.11/4,285.33
  6. Step 6: Final answer
    x = 5,164.62

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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.