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Finding the Fourth Proportional to 5,508.11, 8,262 and 1,348.13

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Solution

The fourth proportional to 5,508.11, 8,262 and 1,348.13 is: 2,022.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,508.11 : 8,262 = 1,348.13 : x
  2. Step 2: Convert to fraction form
    5,508.11/8,262 = 1,348.13/x
  3. Step 3: Cross multiply
    5,508.11x = 8,262 × 1,348.13
  4. Step 4: Simplify right side
    5,508.11x = 11,138,270.72
  5. Step 5: Solve for x
    x = 11,138,270.72/5,508.11
  6. Step 6: Final answer
    x = 2,022.16

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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.