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Finding the Fourth Proportional to 5,281.92, 7,288.29 and 3,013.29

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Solution

The fourth proportional to 5,281.92, 7,288.29 and 3,013.29 is: 4,157.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,281.92 : 7,288.29 = 3,013.29 : x
  2. Step 2: Convert to fraction form
    5,281.92/7,288.29 = 3,013.29/x
  3. Step 3: Cross multiply
    5,281.92x = 7,288.29 × 3,013.29
  4. Step 4: Simplify right side
    5,281.92x = 21,961,731.37
  5. Step 5: Solve for x
    x = 21,961,731.37/5,281.92
  6. Step 6: Final answer
    x = 4,157.91

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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.