Home / 4,917.30-7,363.80-3,945.30

Finding the Fourth Proportional to 4,917.30, 7,363.80 and 3,945.30

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Solution

The fourth proportional to 4,917.30, 7,363.80 and 3,945.30 is: 5,908.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,917.30 : 7,363.80 = 3,945.30 : x
  2. Step 2: Convert to fraction form
    4,917.30/7,363.80 = 3,945.30/x
  3. Step 3: Cross multiply
    4,917.30x = 7,363.80 × 3,945.30
  4. Step 4: Simplify right side
    4,917.30x = 29,052,400.14
  5. Step 5: Solve for x
    x = 29,052,400.14/4,917.30
  6. Step 6: Final answer
    x = 5,908.20

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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.