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Finding the Fourth Proportional to 5,845.78, 8,064.18 and 3,957.43

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Solution

The fourth proportional to 5,845.78, 8,064.18 and 3,957.43 is: 5,459.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,845.78 : 8,064.18 = 3,957.43 : x
  2. Step 2: Convert to fraction form
    5,845.78/8,064.18 = 3,957.43/x
  3. Step 3: Cross multiply
    5,845.78x = 8,064.18 × 3,957.43
  4. Step 4: Simplify right side
    5,845.78x = 31,913,427.86
  5. Step 5: Solve for x
    x = 31,913,427.86/5,845.78
  6. Step 6: Final answer
    x = 5,459.22

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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.