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Finding the Fourth Proportional to 7,480.95, 11,204.10 and 3,725.89

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Solution

The fourth proportional to 7,480.95, 11,204.10 and 3,725.89 is: 5,580.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,480.95 : 11,204.10 = 3,725.89 : x
  2. Step 2: Convert to fraction form
    7,480.95/11,204.10 = 3,725.89/x
  3. Step 3: Cross multiply
    7,480.95x = 11,204.10 × 3,725.89
  4. Step 4: Simplify right side
    7,480.95x = 41,745,244.15
  5. Step 5: Solve for x
    x = 41,745,244.15/7,480.95
  6. Step 6: Final answer
    x = 5,580.21

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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.