Home / 8,180.44-11,288.58-4,643.58

Finding the Fourth Proportional to 8,180.44, 11,288.58 and 4,643.58

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Solution

The fourth proportional to 8,180.44, 11,288.58 and 4,643.58 is: 6,407.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,180.44 : 11,288.58 = 4,643.58 : x
  2. Step 2: Convert to fraction form
    8,180.44/11,288.58 = 4,643.58/x
  3. Step 3: Cross multiply
    8,180.44x = 11,288.58 × 4,643.58
  4. Step 4: Simplify right side
    8,180.44x = 52,419,424.32
  5. Step 5: Solve for x
    x = 52,419,424.32/8,180.44
  6. Step 6: Final answer
    x = 6,407.90

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