Home / 6,660.90-9,192.12-3,676.86

Finding the Fourth Proportional to 6,660.90, 9,192.12 and 3,676.86

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Solution

The fourth proportional to 6,660.90, 9,192.12 and 3,676.86 is: 5,074.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,660.90 : 9,192.12 = 3,676.86 : x
  2. Step 2: Convert to fraction form
    6,660.90/9,192.12 = 3,676.86/x
  3. Step 3: Cross multiply
    6,660.90x = 9,192.12 × 3,676.86
  4. Step 4: Simplify right side
    6,660.90x = 33,798,138.34
  5. Step 5: Solve for x
    x = 33,798,138.34/6,660.90
  6. Step 6: Final answer
    x = 5,074.11

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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.