Home / 7,219.88-9,963.43-4,076.06

Finding the Fourth Proportional to 7,219.88, 9,963.43 and 4,076.06

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Solution

The fourth proportional to 7,219.88, 9,963.43 and 4,076.06 is: 5,624.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,219.88 : 9,963.43 = 4,076.06 : x
  2. Step 2: Convert to fraction form
    7,219.88/9,963.43 = 4,076.06/x
  3. Step 3: Cross multiply
    7,219.88x = 9,963.43 × 4,076.06
  4. Step 4: Simplify right side
    7,219.88x = 40,611,553.20
  5. Step 5: Solve for x
    x = 40,611,553.20/7,219.88
  6. Step 6: Final answer
    x = 5,624.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.