Home / 6,660.21-9,191.10-3,676.25

Finding the Fourth Proportional to 6,660.21, 9,191.10 and 3,676.25

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Solution

The fourth proportional to 6,660.21, 9,191.10 and 3,676.25 is: 5,073.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,660.21 : 9,191.10 = 3,676.25 : x
  2. Step 2: Convert to fraction form
    6,660.21/9,191.10 = 3,676.25/x
  3. Step 3: Cross multiply
    6,660.21x = 9,191.10 × 3,676.25
  4. Step 4: Simplify right side
    6,660.21x = 33,788,748.35
  5. Step 5: Solve for x
    x = 33,788,748.35/6,660.21
  6. Step 6: Final answer
    x = 5,073.22

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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.