Home / 4,909.49-7,366.20-1,789.71

Finding the Fourth Proportional to 4,909.49, 7,366.20 and 1,789.71

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Solution

The fourth proportional to 4,909.49, 7,366.20 and 1,789.71 is: 2,685.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,909.49 : 7,366.20 = 1,789.71 : x
  2. Step 2: Convert to fraction form
    4,909.49/7,366.20 = 1,789.71/x
  3. Step 3: Cross multiply
    4,909.49x = 7,366.20 × 1,789.71
  4. Step 4: Simplify right side
    4,909.49x = 13,183,361.80
  5. Step 5: Solve for x
    x = 13,183,361.80/4,909.49
  6. Step 6: Final answer
    x = 2,685.28

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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.