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Finding the Fourth Proportional to 7,269.56, 10,895.05 and 3,984.94

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Solution

The fourth proportional to 7,269.56, 10,895.05 and 3,984.94 is: 5,972.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,269.56 : 10,895.05 = 3,984.94 : x
  2. Step 2: Convert to fraction form
    7,269.56/10,895.05 = 3,984.94/x
  3. Step 3: Cross multiply
    7,269.56x = 10,895.05 × 3,984.94
  4. Step 4: Simplify right side
    7,269.56x = 43,416,120.55
  5. Step 5: Solve for x
    x = 43,416,120.55/7,269.56
  6. Step 6: Final answer
    x = 5,972.32

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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.