Home / 5,937.30-8,190.90-3,578.09

Finding the Fourth Proportional to 5,937.30, 8,190.90 and 3,578.09

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Solution

The fourth proportional to 5,937.30, 8,190.90 and 3,578.09 is: 4,936.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,937.30 : 8,190.90 = 3,578.09 : x
  2. Step 2: Convert to fraction form
    5,937.30/8,190.90 = 3,578.09/x
  3. Step 3: Cross multiply
    5,937.30x = 8,190.90 × 3,578.09
  4. Step 4: Simplify right side
    5,937.30x = 29,307,736.43
  5. Step 5: Solve for x
    x = 29,307,736.43/5,937.30
  6. Step 6: Final answer
    x = 4,936.21

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1.5x scale

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.