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Finding the Fourth Proportional to 4,713.92, 7,073.16 and 1,941.44

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Solution

The fourth proportional to 4,713.92, 7,073.16 and 1,941.44 is: 2,913.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,713.92 : 7,073.16 = 1,941.44 : x
  2. Step 2: Convert to fraction form
    4,713.92/7,073.16 = 1,941.44/x
  3. Step 3: Cross multiply
    4,713.92x = 7,073.16 × 1,941.44
  4. Step 4: Simplify right side
    4,713.92x = 13,732,115.75
  5. Step 5: Solve for x
    x = 13,732,115.75/4,713.92
  6. Step 6: Final answer
    x = 2,913.10

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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.