Home / 6,650.28-9,176.58-3,665.88

Finding the Fourth Proportional to 6,650.28, 9,176.58 and 3,665.88

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Solution

The fourth proportional to 6,650.28, 9,176.58 and 3,665.88 is: 5,058.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,650.28 : 9,176.58 = 3,665.88 : x
  2. Step 2: Convert to fraction form
    6,650.28/9,176.58 = 3,665.88/x
  3. Step 3: Cross multiply
    6,650.28x = 9,176.58 × 3,665.88
  4. Step 4: Simplify right side
    6,650.28x = 33,640,241.09
  5. Step 5: Solve for x
    x = 33,640,241.09/6,650.28
  6. Step 6: Final answer
    x = 5,058.47

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1.5x scale

Why These Related Problems?

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