Home / 5,049.36-6,969.60-3,187.44

Finding the Fourth Proportional to 5,049.36, 6,969.60 and 3,187.44

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Solution

The fourth proportional to 5,049.36, 6,969.60 and 3,187.44 is: 4,399.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,049.36 : 6,969.60 = 3,187.44 : x
  2. Step 2: Convert to fraction form
    5,049.36/6,969.60 = 3,187.44/x
  3. Step 3: Cross multiply
    5,049.36x = 6,969.60 × 3,187.44
  4. Step 4: Simplify right side
    5,049.36x = 22,215,181.82
  5. Step 5: Solve for x
    x = 22,215,181.82/5,049.36
  6. Step 6: Final answer
    x = 4,399.60

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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.