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Finding the Fourth Proportional to 5,731.56, 7,913.08 and 4,402.68

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Solution

The fourth proportional to 5,731.56, 7,913.08 and 4,402.68 is: 6,078.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,731.56 : 7,913.08 = 4,402.68 : x
  2. Step 2: Convert to fraction form
    5,731.56/7,913.08 = 4,402.68/x
  3. Step 3: Cross multiply
    5,731.56x = 7,913.08 × 4,402.68
  4. Step 4: Simplify right side
    5,731.56x = 34,838,759.05
  5. Step 5: Solve for x
    x = 34,838,759.05/5,731.56
  6. Step 6: Final answer
    x = 6,078.41

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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.