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Finding the Fourth Proportional to 5,938.97, 8,908.43 and 1,778.99

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Solution

The fourth proportional to 5,938.97, 8,908.43 and 1,778.99 is: 2,668.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,938.97 : 8,908.43 = 1,778.99 : x
  2. Step 2: Convert to fraction form
    5,938.97/8,908.43 = 1,778.99/x
  3. Step 3: Cross multiply
    5,938.97x = 8,908.43 × 1,778.99
  4. Step 4: Simplify right side
    5,938.97x = 15,847,954.45
  5. Step 5: Solve for x
    x = 15,847,954.45/5,938.97
  6. Step 6: Final answer
    x = 2,668.47

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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.