Home / 7,190.25-10,785.38-1,996.13

Finding the Fourth Proportional to 7,190.25, 10,785.38 and 1,996.13

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Solution

The fourth proportional to 7,190.25, 10,785.38 and 1,996.13 is: 2,994.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,190.25 : 10,785.38 = 1,996.13 : x
  2. Step 2: Convert to fraction form
    7,190.25/10,785.38 = 1,996.13/x
  3. Step 3: Cross multiply
    7,190.25x = 10,785.38 × 1,996.13
  4. Step 4: Simplify right side
    7,190.25x = 21,528,956.67
  5. Step 5: Solve for x
    x = 21,528,956.67/7,190.25
  6. Step 6: Final answer
    x = 2,994.19

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Half scale
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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.