Home / 4,405.25-6,078.48-2,912.36

Finding the Fourth Proportional to 4,405.25, 6,078.48 and 2,912.36

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Solution

The fourth proportional to 4,405.25, 6,078.48 and 2,912.36 is: 4,018.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,405.25 : 6,078.48 = 2,912.36 : x
  2. Step 2: Convert to fraction form
    4,405.25/6,078.48 = 2,912.36/x
  3. Step 3: Cross multiply
    4,405.25x = 6,078.48 × 2,912.36
  4. Step 4: Simplify right side
    4,405.25x = 17,702,691.62
  5. Step 5: Solve for x
    x = 17,702,691.62/4,405.25
  6. Step 6: Final answer
    x = 4,018.55

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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.