Home / 7,438.25-11,161.70-3,334.25

Finding the Fourth Proportional to 7,438.25, 11,161.70 and 3,334.25

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Solution

The fourth proportional to 7,438.25, 11,161.70 and 3,334.25 is: 5,003.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,438.25 : 11,161.70 = 3,334.25 : x
  2. Step 2: Convert to fraction form
    7,438.25/11,161.70 = 3,334.25/x
  3. Step 3: Cross multiply
    7,438.25x = 11,161.70 × 3,334.25
  4. Step 4: Simplify right side
    7,438.25x = 37,215,898.23
  5. Step 5: Solve for x
    x = 37,215,898.23/7,438.25
  6. Step 6: Final answer
    x = 5,003.31

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1.5x scale

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.