Home / 5,380.29-7,424.00-3,021.98

Finding the Fourth Proportional to 5,380.29, 7,424.00 and 3,021.98

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Solution

The fourth proportional to 5,380.29, 7,424.00 and 3,021.98 is: 4,169.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,380.29 : 7,424.00 = 3,021.98 : x
  2. Step 2: Convert to fraction form
    5,380.29/7,424.00 = 3,021.98/x
  3. Step 3: Cross multiply
    5,380.29x = 7,424.00 × 3,021.98
  4. Step 4: Simplify right side
    5,380.29x = 22,435,127.29
  5. Step 5: Solve for x
    x = 22,435,127.29/5,380.29
  6. Step 6: Final answer
    x = 4,169.87

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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.