Home / 5,187.32-7,783.62-2,265.26

Finding the Fourth Proportional to 5,187.32, 7,783.62 and 2,265.26

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Solution

The fourth proportional to 5,187.32, 7,783.62 and 2,265.26 is: 3,399.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,187.32 : 7,783.62 = 2,265.26 : x
  2. Step 2: Convert to fraction form
    5,187.32/7,783.62 = 2,265.26/x
  3. Step 3: Cross multiply
    5,187.32x = 7,783.62 × 2,265.26
  4. Step 4: Simplify right side
    5,187.32x = 17,631,923.04
  5. Step 5: Solve for x
    x = 17,631,923.04/5,187.32
  6. Step 6: Final answer
    x = 3,399.04

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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.