Home / 5,322.27-7,983.81-1,811.19

Finding the Fourth Proportional to 5,322.27, 7,983.81 and 1,811.19

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Solution

The fourth proportional to 5,322.27, 7,983.81 and 1,811.19 is: 2,716.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,322.27 : 7,983.81 = 1,811.19 : x
  2. Step 2: Convert to fraction form
    5,322.27/7,983.81 = 1,811.19/x
  3. Step 3: Cross multiply
    5,322.27x = 7,983.81 × 1,811.19
  4. Step 4: Simplify right side
    5,322.27x = 14,460,196.83
  5. Step 5: Solve for x
    x = 14,460,196.83/5,322.27
  6. Step 6: Final answer
    x = 2,716.92

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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.