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Finding the Fourth Proportional to 7,204.59, 10,845.08 and 5,138.89

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Solution

The fourth proportional to 7,204.59, 10,845.08 and 5,138.89 is: 7,735.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,204.59 : 10,845.08 = 5,138.89 : x
  2. Step 2: Convert to fraction form
    7,204.59/10,845.08 = 5,138.89/x
  3. Step 3: Cross multiply
    7,204.59x = 10,845.08 × 5,138.89
  4. Step 4: Simplify right side
    7,204.59x = 55,731,620.35
  5. Step 5: Solve for x
    x = 55,731,620.35/7,204.59
  6. Step 6: Final answer
    x = 7,735.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.