Home / 6,389.64-9,584.22-3,101.85

Finding the Fourth Proportional to 6,389.64, 9,584.22 and 3,101.85

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Solution

The fourth proportional to 6,389.64, 9,584.22 and 3,101.85 is: 4,652.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,389.64 : 9,584.22 = 3,101.85 : x
  2. Step 2: Convert to fraction form
    6,389.64/9,584.22 = 3,101.85/x
  3. Step 3: Cross multiply
    6,389.64x = 9,584.22 × 3,101.85
  4. Step 4: Simplify right side
    6,389.64x = 29,728,764.89
  5. Step 5: Solve for x
    x = 29,728,764.89/6,389.64
  6. Step 6: Final answer
    x = 4,652.65

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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.