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Finding the Fourth Proportional to 7,325.71, 10,990.10 and 2,394.96

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Solution

The fourth proportional to 7,325.71, 10,990.10 and 2,394.96 is: 3,592.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,325.71 : 10,990.10 = 2,394.96 : x
  2. Step 2: Convert to fraction form
    7,325.71/10,990.10 = 2,394.96/x
  3. Step 3: Cross multiply
    7,325.71x = 10,990.10 × 2,394.96
  4. Step 4: Simplify right side
    7,325.71x = 26,320,788.96
  5. Step 5: Solve for x
    x = 26,320,788.96/7,325.71
  6. Step 6: Final answer
    x = 3,592.94

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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.