Home / 5,021.46-6,929.82-2,897.64

Finding the Fourth Proportional to 5,021.46, 6,929.82 and 2,897.64

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Solution

The fourth proportional to 5,021.46, 6,929.82 and 2,897.64 is: 3,998.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,021.46 : 6,929.82 = 2,897.64 : x
  2. Step 2: Convert to fraction form
    5,021.46/6,929.82 = 2,897.64/x
  3. Step 3: Cross multiply
    5,021.46x = 6,929.82 × 2,897.64
  4. Step 4: Simplify right side
    5,021.46x = 20,080,123.62
  5. Step 5: Solve for x
    x = 20,080,123.62/5,021.46
  6. Step 6: Final answer
    x = 3,998.86

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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.