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Finding the Fourth Proportional to 6,390.93, 9,585.19 and 2,174.38

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Solution

The fourth proportional to 6,390.93, 9,585.19 and 2,174.38 is: 3,261.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,390.93 : 9,585.19 = 2,174.38 : x
  2. Step 2: Convert to fraction form
    6,390.93/9,585.19 = 2,174.38/x
  3. Step 3: Cross multiply
    6,390.93x = 9,585.19 × 2,174.38
  4. Step 4: Simplify right side
    6,390.93x = 20,841,811.96
  5. Step 5: Solve for x
    x = 20,841,811.96/6,390.93
  6. Step 6: Final answer
    x = 3,261.15

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.