Home / 4,270.43-6,406.89-2,191.88

Finding the Fourth Proportional to 4,270.43, 6,406.89 and 2,191.88

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Solution

The fourth proportional to 4,270.43, 6,406.89 and 2,191.88 is: 3,288.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,270.43 : 6,406.89 = 2,191.88 : x
  2. Step 2: Convert to fraction form
    4,270.43/6,406.89 = 2,191.88/x
  3. Step 3: Cross multiply
    4,270.43x = 6,406.89 × 2,191.88
  4. Step 4: Simplify right side
    4,270.43x = 14,043,102.02
  5. Step 5: Solve for x
    x = 14,043,102.02/4,270.43
  6. Step 6: Final answer
    x = 3,288.46

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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.