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Finding the Fourth Proportional to 7,111.63, 10,668.68 and 2,432.11

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Solution

The fourth proportional to 7,111.63, 10,668.68 and 2,432.11 is: 3,648.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,111.63 : 10,668.68 = 2,432.11 : x
  2. Step 2: Convert to fraction form
    7,111.63/10,668.68 = 2,432.11/x
  3. Step 3: Cross multiply
    7,111.63x = 10,668.68 × 2,432.11
  4. Step 4: Simplify right side
    7,111.63x = 25,947,349.97
  5. Step 5: Solve for x
    x = 25,947,349.97/7,111.63
  6. Step 6: Final answer
    x = 3,648.58

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