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Finding the Fourth Proportional to 6,650.76, 9,178.06 and 3,666.57

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Solution

The fourth proportional to 6,650.76, 9,178.06 and 3,666.57 is: 5,059.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,650.76 : 9,178.06 = 3,666.57 : x
  2. Step 2: Convert to fraction form
    6,650.76/9,178.06 = 3,666.57/x
  3. Step 3: Cross multiply
    6,650.76x = 9,178.06 × 3,666.57
  4. Step 4: Simplify right side
    6,650.76x = 33,651,962.74
  5. Step 5: Solve for x
    x = 33,651,962.74/6,650.76
  6. Step 6: Final answer
    x = 5,059.87

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.