Home / 5,578.49-8,358.85-2,945.90

Finding the Fourth Proportional to 5,578.49, 8,358.85 and 2,945.90

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Solution

The fourth proportional to 5,578.49, 8,358.85 and 2,945.90 is: 4,414.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,578.49 : 8,358.85 = 2,945.90 : x
  2. Step 2: Convert to fraction form
    5,578.49/8,358.85 = 2,945.90/x
  3. Step 3: Cross multiply
    5,578.49x = 8,358.85 × 2,945.90
  4. Step 4: Simplify right side
    5,578.49x = 24,624,336.22
  5. Step 5: Solve for x
    x = 24,624,336.22/5,578.49
  6. Step 6: Final answer
    x = 4,414.16

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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.