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Finding the Fourth Proportional to 4,691.41, 7,023.08 and 2,836.91

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Solution

The fourth proportional to 4,691.41, 7,023.08 and 2,836.91 is: 4,246.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,691.41 : 7,023.08 = 2,836.91 : x
  2. Step 2: Convert to fraction form
    4,691.41/7,023.08 = 2,836.91/x
  3. Step 3: Cross multiply
    4,691.41x = 7,023.08 × 2,836.91
  4. Step 4: Simplify right side
    4,691.41x = 19,923,845.88
  5. Step 5: Solve for x
    x = 19,923,845.88/4,691.41
  6. Step 6: Final answer
    x = 4,246.88

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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.