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Finding the Fourth Proportional to 5,182.79, 7,153.79 and 4,918.23

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Solution

The fourth proportional to 5,182.79, 7,153.79 and 4,918.23 is: 6,788.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,182.79 : 7,153.79 = 4,918.23 : x
  2. Step 2: Convert to fraction form
    5,182.79/7,153.79 = 4,918.23/x
  3. Step 3: Cross multiply
    5,182.79x = 7,153.79 × 4,918.23
  4. Step 4: Simplify right side
    5,182.79x = 35,183,960.00
  5. Step 5: Solve for x
    x = 35,183,960.00/5,182.79
  6. Step 6: Final answer
    x = 6,788.62

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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.