Home / 7,241.45-10,861.16-2,561.27

Finding the Fourth Proportional to 7,241.45, 10,861.16 and 2,561.27

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Solution

The fourth proportional to 7,241.45, 10,861.16 and 2,561.27 is: 3,841.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,241.45 : 10,861.16 = 2,561.27 : x
  2. Step 2: Convert to fraction form
    7,241.45/10,861.16 = 2,561.27/x
  3. Step 3: Cross multiply
    7,241.45x = 10,861.16 × 2,561.27
  4. Step 4: Simplify right side
    7,241.45x = 27,818,296.16
  5. Step 5: Solve for x
    x = 27,818,296.16/7,241.45
  6. Step 6: Final answer
    x = 3,841.54

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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.