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Finding the Fourth Proportional to 7,992, 11,030.54 and 4,635.54

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Solution

The fourth proportional to 7,992, 11,030.54 and 4,635.54 is: 6,397.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,992 : 11,030.54 = 4,635.54 : x
  2. Step 2: Convert to fraction form
    7,992/11,030.54 = 4,635.54/x
  3. Step 3: Cross multiply
    7,992x = 11,030.54 × 4,635.54
  4. Step 4: Simplify right side
    7,992x = 51,132,486.21
  5. Step 5: Solve for x
    x = 51,132,486.21/7,992
  6. Step 6: Final answer
    x = 6,397.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.