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Finding the Fourth Proportional to 7,277.08, 10,912.50 and 3,577

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Solution

The fourth proportional to 7,277.08, 10,912.50 and 3,577 is: 5,363.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,277.08 : 10,912.50 = 3,577 : x
  2. Step 2: Convert to fraction form
    7,277.08/10,912.50 = 3,577/x
  3. Step 3: Cross multiply
    7,277.08x = 10,912.50 × 3,577
  4. Step 4: Simplify right side
    7,277.08x = 39,034,012.50
  5. Step 5: Solve for x
    x = 39,034,012.50/7,277.08
  6. Step 6: Final answer
    x = 5,363.97

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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.