Home / 7,334.30-10,985.82-3,388.79

Finding the Fourth Proportional to 7,334.30, 10,985.82 and 3,388.79

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Solution

The fourth proportional to 7,334.30, 10,985.82 and 3,388.79 is: 5,075.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,334.30 : 10,985.82 = 3,388.79 : x
  2. Step 2: Convert to fraction form
    7,334.30/10,985.82 = 3,388.79/x
  3. Step 3: Cross multiply
    7,334.30x = 10,985.82 × 3,388.79
  4. Step 4: Simplify right side
    7,334.30x = 37,228,636.96
  5. Step 5: Solve for x
    x = 37,228,636.96/7,334.30
  6. Step 6: Final answer
    x = 5,075.96

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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.