Home / 5,789.38-7,989.32-3,272.31

Finding the Fourth Proportional to 5,789.38, 7,989.32 and 3,272.31

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Solution

The fourth proportional to 5,789.38, 7,989.32 and 3,272.31 is: 4,515.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,789.38 : 7,989.32 = 3,272.31 : x
  2. Step 2: Convert to fraction form
    5,789.38/7,989.32 = 3,272.31/x
  3. Step 3: Cross multiply
    5,789.38x = 7,989.32 × 3,272.31
  4. Step 4: Simplify right side
    5,789.38x = 26,143,495.39
  5. Step 5: Solve for x
    x = 26,143,495.39/5,789.38
  6. Step 6: Final answer
    x = 4,515.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.