Home / 8,932.90-13,399.35-3,086.32

Finding the Fourth Proportional to 8,932.90, 13,399.35 and 3,086.32

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Solution

The fourth proportional to 8,932.90, 13,399.35 and 3,086.32 is: 4,629.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,932.90 : 13,399.35 = 3,086.32 : x
  2. Step 2: Convert to fraction form
    8,932.90/13,399.35 = 3,086.32/x
  3. Step 3: Cross multiply
    8,932.90x = 13,399.35 × 3,086.32
  4. Step 4: Simplify right side
    8,932.90x = 41,354,636.82
  5. Step 5: Solve for x
    x = 41,354,636.82/8,932.90
  6. Step 6: Final answer
    x = 4,629.48

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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.