Home / 4,243.87-6,365.85-1,322.20

Finding the Fourth Proportional to 4,243.87, 6,365.85 and 1,322.20

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Solution

The fourth proportional to 4,243.87, 6,365.85 and 1,322.20 is: 1,983.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,243.87 : 6,365.85 = 1,322.20 : x
  2. Step 2: Convert to fraction form
    4,243.87/6,365.85 = 1,322.20/x
  3. Step 3: Cross multiply
    4,243.87x = 6,365.85 × 1,322.20
  4. Step 4: Simplify right side
    4,243.87x = 8,416,926.87
  5. Step 5: Solve for x
    x = 8,416,926.87/4,243.87
  6. Step 6: Final answer
    x = 1,983.31

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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.