Home / 7,475.03-11,212.49-1,927.90

Finding the Fourth Proportional to 7,475.03, 11,212.49 and 1,927.90

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Solution

The fourth proportional to 7,475.03, 11,212.49 and 1,927.90 is: 2,891.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,475.03 : 11,212.49 = 1,927.90 : x
  2. Step 2: Convert to fraction form
    7,475.03/11,212.49 = 1,927.90/x
  3. Step 3: Cross multiply
    7,475.03x = 11,212.49 × 1,927.90
  4. Step 4: Simplify right side
    7,475.03x = 21,616,578.31
  5. Step 5: Solve for x
    x = 21,616,578.31/7,475.03
  6. Step 6: Final answer
    x = 2,891.84

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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.