Home / 7,784.42-11,682.24-3,101.71

Finding the Fourth Proportional to 7,784.42, 11,682.24 and 3,101.71

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Solution

The fourth proportional to 7,784.42, 11,682.24 and 3,101.71 is: 4,654.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,784.42 : 11,682.24 = 3,101.71 : x
  2. Step 2: Convert to fraction form
    7,784.42/11,682.24 = 3,101.71/x
  3. Step 3: Cross multiply
    7,784.42x = 11,682.24 × 3,101.71
  4. Step 4: Simplify right side
    7,784.42x = 36,234,919.14
  5. Step 5: Solve for x
    x = 36,234,919.14/7,784.42
  6. Step 6: Final answer
    x = 4,654.80

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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.