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Finding the Fourth Proportional to 4,992.96, 6,889.48 and 3,003.04

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Solution

The fourth proportional to 4,992.96, 6,889.48 and 3,003.04 is: 4,143.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,992.96 : 6,889.48 = 3,003.04 : x
  2. Step 2: Convert to fraction form
    4,992.96/6,889.48 = 3,003.04/x
  3. Step 3: Cross multiply
    4,992.96x = 6,889.48 × 3,003.04
  4. Step 4: Simplify right side
    4,992.96x = 20,689,384.02
  5. Step 5: Solve for x
    x = 20,689,384.02/4,992.96
  6. Step 6: Final answer
    x = 4,143.71

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1.5x scale

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.