Home / 5,057.19-7,578.87-3,209.61

Finding the Fourth Proportional to 5,057.19, 7,578.87 and 3,209.61

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Solution

The fourth proportional to 5,057.19, 7,578.87 and 3,209.61 is: 4,810.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,057.19 : 7,578.87 = 3,209.61 : x
  2. Step 2: Convert to fraction form
    5,057.19/7,578.87 = 3,209.61/x
  3. Step 3: Cross multiply
    5,057.19x = 7,578.87 × 3,209.61
  4. Step 4: Simplify right side
    5,057.19x = 24,325,216.94
  5. Step 5: Solve for x
    x = 24,325,216.94/5,057.19
  6. Step 6: Final answer
    x = 4,810.03

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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.