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Finding the Fourth Proportional to 7,199.79, 10,800.14 and 2,269.62

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Solution

The fourth proportional to 7,199.79, 10,800.14 and 2,269.62 is: 3,404.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,199.79 : 10,800.14 = 2,269.62 : x
  2. Step 2: Convert to fraction form
    7,199.79/10,800.14 = 2,269.62/x
  3. Step 3: Cross multiply
    7,199.79x = 10,800.14 × 2,269.62
  4. Step 4: Simplify right side
    7,199.79x = 24,512,202.40
  5. Step 5: Solve for x
    x = 24,512,202.40/7,199.79
  6. Step 6: Final answer
    x = 3,404.57

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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.