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Finding the Fourth Proportional to 4,992.92, 7,483.56 and 3,756.36

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Solution

The fourth proportional to 4,992.92, 7,483.56 and 3,756.36 is: 5,630.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,992.92 : 7,483.56 = 3,756.36 : x
  2. Step 2: Convert to fraction form
    4,992.92/7,483.56 = 3,756.36/x
  3. Step 3: Cross multiply
    4,992.92x = 7,483.56 × 3,756.36
  4. Step 4: Simplify right side
    4,992.92x = 28,110,945.44
  5. Step 5: Solve for x
    x = 28,110,945.44/4,992.92
  6. Step 6: Final answer
    x = 5,630.16

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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.