Home / 7,400.98-11,108.82-3,243.88

Finding the Fourth Proportional to 7,400.98, 11,108.82 and 3,243.88

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Solution

The fourth proportional to 7,400.98, 11,108.82 and 3,243.88 is: 4,869.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,400.98 : 11,108.82 = 3,243.88 : x
  2. Step 2: Convert to fraction form
    7,400.98/11,108.82 = 3,243.88/x
  3. Step 3: Cross multiply
    7,400.98x = 11,108.82 × 3,243.88
  4. Step 4: Simplify right side
    7,400.98x = 36,035,679.02
  5. Step 5: Solve for x
    x = 36,035,679.02/7,400.98
  6. Step 6: Final answer
    x = 4,869.04

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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.