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Finding the Fourth Proportional to 6,644.60, 9,958.80 and 2,942.90

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Solution

The fourth proportional to 6,644.60, 9,958.80 and 2,942.90 is: 4,410.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,644.60 : 9,958.80 = 2,942.90 : x
  2. Step 2: Convert to fraction form
    6,644.60/9,958.80 = 2,942.90/x
  3. Step 3: Cross multiply
    6,644.60x = 9,958.80 × 2,942.90
  4. Step 4: Simplify right side
    6,644.60x = 29,307,752.52
  5. Step 5: Solve for x
    x = 29,307,752.52/6,644.60
  6. Step 6: Final answer
    x = 4,410.76

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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.