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Finding the Fourth Proportional to 5,132.96, 7,699.44 and 2,943.08

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Solution

The fourth proportional to 5,132.96, 7,699.44 and 2,943.08 is: 4,414.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,132.96 : 7,699.44 = 2,943.08 : x
  2. Step 2: Convert to fraction form
    5,132.96/7,699.44 = 2,943.08/x
  3. Step 3: Cross multiply
    5,132.96x = 7,699.44 × 2,943.08
  4. Step 4: Simplify right side
    5,132.96x = 22,660,067.88
  5. Step 5: Solve for x
    x = 22,660,067.88/5,132.96
  6. Step 6: Final answer
    x = 4,414.62

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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.