Home / 6,190.98-9,286.48-2,191.34

Finding the Fourth Proportional to 6,190.98, 9,286.48 and 2,191.34

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Solution

The fourth proportional to 6,190.98, 9,286.48 and 2,191.34 is: 3,287.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,190.98 : 9,286.48 = 2,191.34 : x
  2. Step 2: Convert to fraction form
    6,190.98/9,286.48 = 2,191.34/x
  3. Step 3: Cross multiply
    6,190.98x = 9,286.48 × 2,191.34
  4. Step 4: Simplify right side
    6,190.98x = 20,349,837.46
  5. Step 5: Solve for x
    x = 20,349,837.46/6,190.98
  6. Step 6: Final answer
    x = 3,287.01

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Double scale
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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.