Home / 5,578.71-8,366.31-2,020.38

Finding the Fourth Proportional to 5,578.71, 8,366.31 and 2,020.38

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Solution

The fourth proportional to 5,578.71, 8,366.31 and 2,020.38 is: 3,029.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,578.71 : 8,366.31 = 2,020.38 : x
  2. Step 2: Convert to fraction form
    5,578.71/8,366.31 = 2,020.38/x
  3. Step 3: Cross multiply
    5,578.71x = 8,366.31 × 2,020.38
  4. Step 4: Simplify right side
    5,578.71x = 16,903,125.40
  5. Step 5: Solve for x
    x = 16,903,125.40/5,578.71
  6. Step 6: Final answer
    x = 3,029.93

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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.