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Finding the Fourth Proportional to 5,754.81, 7,941.65 and 3,236.93

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Solution

The fourth proportional to 5,754.81, 7,941.65 and 3,236.93 is: 4,466.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,754.81 : 7,941.65 = 3,236.93 : x
  2. Step 2: Convert to fraction form
    5,754.81/7,941.65 = 3,236.93/x
  3. Step 3: Cross multiply
    5,754.81x = 7,941.65 × 3,236.93
  4. Step 4: Simplify right side
    5,754.81x = 25,706,539.02
  5. Step 5: Solve for x
    x = 25,706,539.02/5,754.81
  6. Step 6: Final answer
    x = 4,466.96

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Why These Related Problems?

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