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Finding the Fourth Proportional to 5,541.67, 7,645.21 and 3,864.07

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Solution

The fourth proportional to 5,541.67, 7,645.21 and 3,864.07 is: 5,330.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,541.67 : 7,645.21 = 3,864.07 : x
  2. Step 2: Convert to fraction form
    5,541.67/7,645.21 = 3,864.07/x
  3. Step 3: Cross multiply
    5,541.67x = 7,645.21 × 3,864.07
  4. Step 4: Simplify right side
    5,541.67x = 29,541,626.60
  5. Step 5: Solve for x
    x = 29,541,626.60/5,541.67
  6. Step 6: Final answer
    x = 5,330.82

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.