Home / 6,242.40-9,351.72-3,322.08

Finding the Fourth Proportional to 6,242.40, 9,351.72 and 3,322.08

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Solution

The fourth proportional to 6,242.40, 9,351.72 and 3,322.08 is: 4,976.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,242.40 : 9,351.72 = 3,322.08 : x
  2. Step 2: Convert to fraction form
    6,242.40/9,351.72 = 3,322.08/x
  3. Step 3: Cross multiply
    6,242.40x = 9,351.72 × 3,322.08
  4. Step 4: Simplify right side
    6,242.40x = 31,067,161.98
  5. Step 5: Solve for x
    x = 31,067,161.98/6,242.40
  6. Step 6: Final answer
    x = 4,976.80

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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.