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Finding the Fourth Proportional to 9,480.10, 14,220.18 and 2,906.28

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Solution

The fourth proportional to 9,480.10, 14,220.18 and 2,906.28 is: 4,359.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,480.10 : 14,220.18 = 2,906.28 : x
  2. Step 2: Convert to fraction form
    9,480.10/14,220.18 = 2,906.28/x
  3. Step 3: Cross multiply
    9,480.10x = 14,220.18 × 2,906.28
  4. Step 4: Simplify right side
    9,480.10x = 41,327,824.73
  5. Step 5: Solve for x
    x = 41,327,824.73/9,480.10
  6. Step 6: Final answer
    x = 4,359.43

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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.