Home / 7,190.64-10,785.60-1,996.56

Finding the Fourth Proportional to 7,190.64, 10,785.60 and 1,996.56

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Solution

The fourth proportional to 7,190.64, 10,785.60 and 1,996.56 is: 2,994.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,190.64 : 10,785.60 = 1,996.56 : x
  2. Step 2: Convert to fraction form
    7,190.64/10,785.60 = 1,996.56/x
  3. Step 3: Cross multiply
    7,190.64x = 10,785.60 × 1,996.56
  4. Step 4: Simplify right side
    7,190.64x = 21,534,097.54
  5. Step 5: Solve for x
    x = 21,534,097.54/7,190.64
  6. Step 6: Final answer
    x = 2,994.74

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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.