Home / 7,946.25-11,919.44-2,399.64

Finding the Fourth Proportional to 7,946.25, 11,919.44 and 2,399.64

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Solution

The fourth proportional to 7,946.25, 11,919.44 and 2,399.64 is: 3,599.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,946.25 : 11,919.44 = 2,399.64 : x
  2. Step 2: Convert to fraction form
    7,946.25/11,919.44 = 2,399.64/x
  3. Step 3: Cross multiply
    7,946.25x = 11,919.44 × 2,399.64
  4. Step 4: Simplify right side
    7,946.25x = 28,602,326.30
  5. Step 5: Solve for x
    x = 28,602,326.30/7,946.25
  6. Step 6: Final answer
    x = 3,599.48

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1.5x scale

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.