Home / 6,608.90-9,120.35-3,624.80

Finding the Fourth Proportional to 6,608.90, 9,120.35 and 3,624.80

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Solution

The fourth proportional to 6,608.90, 9,120.35 and 3,624.80 is: 5,002.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,608.90 : 9,120.35 = 3,624.80 : x
  2. Step 2: Convert to fraction form
    6,608.90/9,120.35 = 3,624.80/x
  3. Step 3: Cross multiply
    6,608.90x = 9,120.35 × 3,624.80
  4. Step 4: Simplify right side
    6,608.90x = 33,059,380.95
  5. Step 5: Solve for x
    x = 33,059,380.95/6,608.90
  6. Step 6: Final answer
    x = 5,002.26

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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.