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Finding the Fourth Proportional to 5,760.96, 8,642.96 and 2,063.56

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Solution

The fourth proportional to 5,760.96, 8,642.96 and 2,063.56 is: 3,095.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,760.96 : 8,642.96 = 2,063.56 : x
  2. Step 2: Convert to fraction form
    5,760.96/8,642.96 = 2,063.56/x
  3. Step 3: Cross multiply
    5,760.96x = 8,642.96 × 2,063.56
  4. Step 4: Simplify right side
    5,760.96x = 17,835,266.54
  5. Step 5: Solve for x
    x = 17,835,266.54/5,760.96
  6. Step 6: Final answer
    x = 3,095.88

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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.