Home / 6,821.20-10,237.38-3,535.28

Finding the Fourth Proportional to 6,821.20, 10,237.38 and 3,535.28

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Solution

The fourth proportional to 6,821.20, 10,237.38 and 3,535.28 is: 5,305.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,821.20 : 10,237.38 = 3,535.28 : x
  2. Step 2: Convert to fraction form
    6,821.20/10,237.38 = 3,535.28/x
  3. Step 3: Cross multiply
    6,821.20x = 10,237.38 × 3,535.28
  4. Step 4: Simplify right side
    6,821.20x = 36,192,004.77
  5. Step 5: Solve for x
    x = 36,192,004.77/6,821.20
  6. Step 6: Final answer
    x = 5,305.81

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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.