Home / 7,399.49-11,100.93-2,134.55

Finding the Fourth Proportional to 7,399.49, 11,100.93 and 2,134.55

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Solution

The fourth proportional to 7,399.49, 11,100.93 and 2,134.55 is: 3,202.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,399.49 : 11,100.93 = 2,134.55 : x
  2. Step 2: Convert to fraction form
    7,399.49/11,100.93 = 2,134.55/x
  3. Step 3: Cross multiply
    7,399.49x = 11,100.93 × 2,134.55
  4. Step 4: Simplify right side
    7,399.49x = 23,695,423.95
  5. Step 5: Solve for x
    x = 23,695,423.95/7,399.49
  6. Step 6: Final answer
    x = 3,202.31

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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.