Home / 6,815.88-9,405.44-3,832.16

Finding the Fourth Proportional to 6,815.88, 9,405.44 and 3,832.16

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Solution

The fourth proportional to 6,815.88, 9,405.44 and 3,832.16 is: 5,288.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,815.88 : 9,405.44 = 3,832.16 : x
  2. Step 2: Convert to fraction form
    6,815.88/9,405.44 = 3,832.16/x
  3. Step 3: Cross multiply
    6,815.88x = 9,405.44 × 3,832.16
  4. Step 4: Simplify right side
    6,815.88x = 36,043,150.95
  5. Step 5: Solve for x
    x = 36,043,150.95/6,815.88
  6. Step 6: Final answer
    x = 5,288.11

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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.