Home / 5,218.41-7,822.67-1,929.27

Finding the Fourth Proportional to 5,218.41, 7,822.67 and 1,929.27

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Solution

The fourth proportional to 5,218.41, 7,822.67 and 1,929.27 is: 2,892.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,218.41 : 7,822.67 = 1,929.27 : x
  2. Step 2: Convert to fraction form
    5,218.41/7,822.67 = 1,929.27/x
  3. Step 3: Cross multiply
    5,218.41x = 7,822.67 × 1,929.27
  4. Step 4: Simplify right side
    5,218.41x = 15,092,032.90
  5. Step 5: Solve for x
    x = 15,092,032.90/5,218.41
  6. Step 6: Final answer
    x = 2,892.07

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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.