Home / 4,815.63-6,644.98-2,691.27

Finding the Fourth Proportional to 4,815.63, 6,644.98 and 2,691.27

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Solution

The fourth proportional to 4,815.63, 6,644.98 and 2,691.27 is: 3,713.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,815.63 : 6,644.98 = 2,691.27 : x
  2. Step 2: Convert to fraction form
    4,815.63/6,644.98 = 2,691.27/x
  3. Step 3: Cross multiply
    4,815.63x = 6,644.98 × 2,691.27
  4. Step 4: Simplify right side
    4,815.63x = 17,883,421.87
  5. Step 5: Solve for x
    x = 17,883,421.87/4,815.63
  6. Step 6: Final answer
    x = 3,713.62

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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.