Home / 7,794.24-11,691.36-3,177.60

Finding the Fourth Proportional to 7,794.24, 11,691.36 and 3,177.60

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Solution

The fourth proportional to 7,794.24, 11,691.36 and 3,177.60 is: 4,766.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,794.24 : 11,691.36 = 3,177.60 : x
  2. Step 2: Convert to fraction form
    7,794.24/11,691.36 = 3,177.60/x
  3. Step 3: Cross multiply
    7,794.24x = 11,691.36 × 3,177.60
  4. Step 4: Simplify right side
    7,794.24x = 37,150,465.54
  5. Step 5: Solve for x
    x = 37,150,465.54/7,794.24
  6. Step 6: Final answer
    x = 4,766.40

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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.