Home / 4,388.35-6,578.08-1,891.16

Finding the Fourth Proportional to 4,388.35, 6,578.08 and 1,891.16

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Solution

The fourth proportional to 4,388.35, 6,578.08 and 1,891.16 is: 2,834.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,388.35 : 6,578.08 = 1,891.16 : x
  2. Step 2: Convert to fraction form
    4,388.35/6,578.08 = 1,891.16/x
  3. Step 3: Cross multiply
    4,388.35x = 6,578.08 × 1,891.16
  4. Step 4: Simplify right side
    4,388.35x = 12,440,201.77
  5. Step 5: Solve for x
    x = 12,440,201.77/4,388.35
  6. Step 6: Final answer
    x = 2,834.83

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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.