Home / 6,660.53-9,191.43-3,676.30

Finding the Fourth Proportional to 6,660.53, 9,191.43 and 3,676.30

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Solution

The fourth proportional to 6,660.53, 9,191.43 and 3,676.30 is: 5,073.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,660.53 : 9,191.43 = 3,676.30 : x
  2. Step 2: Convert to fraction form
    6,660.53/9,191.43 = 3,676.30/x
  3. Step 3: Cross multiply
    6,660.53x = 9,191.43 × 3,676.30
  4. Step 4: Simplify right side
    6,660.53x = 33,790,454.11
  5. Step 5: Solve for x
    x = 33,790,454.11/6,660.53
  6. Step 6: Final answer
    x = 5,073.24

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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.