Home / 7,468.89-11,203.35-1,922.25

Finding the Fourth Proportional to 7,468.89, 11,203.35 and 1,922.25

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Solution

The fourth proportional to 7,468.89, 11,203.35 and 1,922.25 is: 2,883.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,468.89 : 11,203.35 = 1,922.25 : x
  2. Step 2: Convert to fraction form
    7,468.89/11,203.35 = 1,922.25/x
  3. Step 3: Cross multiply
    7,468.89x = 11,203.35 × 1,922.25
  4. Step 4: Simplify right side
    7,468.89x = 21,535,611.32
  5. Step 5: Solve for x
    x = 21,535,611.32/7,468.89
  6. Step 6: Final answer
    x = 2,883.37

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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.