Home / 5,765.32-8,640.66-3,165.22

Finding the Fourth Proportional to 5,765.32, 8,640.66 and 3,165.22

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Solution

The fourth proportional to 5,765.32, 8,640.66 and 3,165.22 is: 4,743.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,765.32 : 8,640.66 = 3,165.22 : x
  2. Step 2: Convert to fraction form
    5,765.32/8,640.66 = 3,165.22/x
  3. Step 3: Cross multiply
    5,765.32x = 8,640.66 × 3,165.22
  4. Step 4: Simplify right side
    5,765.32x = 27,349,546.64
  5. Step 5: Solve for x
    x = 27,349,546.64/5,765.32
  6. Step 6: Final answer
    x = 4,743.81

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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.