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Finding the Fourth Proportional to 5,258.44, 7,888.44 and 2,487.80

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Solution

The fourth proportional to 5,258.44, 7,888.44 and 2,487.80 is: 3,732.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,258.44 : 7,888.44 = 2,487.80 : x
  2. Step 2: Convert to fraction form
    5,258.44/7,888.44 = 2,487.80/x
  3. Step 3: Cross multiply
    5,258.44x = 7,888.44 × 2,487.80
  4. Step 4: Simplify right side
    5,258.44x = 19,624,861.03
  5. Step 5: Solve for x
    x = 19,624,861.03/5,258.44
  6. Step 6: Final answer
    x = 3,732.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.