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Finding the Fourth Proportional to 6,390.96, 9,586.96 and 1,773.96

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Solution

The fourth proportional to 6,390.96, 9,586.96 and 1,773.96 is: 2,661.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,390.96 : 9,586.96 = 1,773.96 : x
  2. Step 2: Convert to fraction form
    6,390.96/9,586.96 = 1,773.96/x
  3. Step 3: Cross multiply
    6,390.96x = 9,586.96 × 1,773.96
  4. Step 4: Simplify right side
    6,390.96x = 17,006,883.56
  5. Step 5: Solve for x
    x = 17,006,883.56/6,390.96
  6. Step 6: Final answer
    x = 2,661.08

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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.