Home / 4,945.88-7,419.32-1,659.30

Finding the Fourth Proportional to 4,945.88, 7,419.32 and 1,659.30

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Solution

The fourth proportional to 4,945.88, 7,419.32 and 1,659.30 is: 2,489.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,945.88 : 7,419.32 = 1,659.30 : x
  2. Step 2: Convert to fraction form
    4,945.88/7,419.32 = 1,659.30/x
  3. Step 3: Cross multiply
    4,945.88x = 7,419.32 × 1,659.30
  4. Step 4: Simplify right side
    4,945.88x = 12,310,832.28
  5. Step 5: Solve for x
    x = 12,310,832.28/4,945.88
  6. Step 6: Final answer
    x = 2,489.11

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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.