Home / 7,089.35-10,634.03-3,189.20

Finding the Fourth Proportional to 7,089.35, 10,634.03 and 3,189.20

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Solution

The fourth proportional to 7,089.35, 10,634.03 and 3,189.20 is: 4,783.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,089.35 : 10,634.03 = 3,189.20 : x
  2. Step 2: Convert to fraction form
    7,089.35/10,634.03 = 3,189.20/x
  3. Step 3: Cross multiply
    7,089.35x = 10,634.03 × 3,189.20
  4. Step 4: Simplify right side
    7,089.35x = 33,914,048.48
  5. Step 5: Solve for x
    x = 33,914,048.48/7,089.35
  6. Step 6: Final answer
    x = 4,783.80

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.