Home / 6,378.81-9,568.14-1,996.17

Finding the Fourth Proportional to 6,378.81, 9,568.14 and 1,996.17

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Solution

The fourth proportional to 6,378.81, 9,568.14 and 1,996.17 is: 2,994.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,378.81 : 9,568.14 = 1,996.17 : x
  2. Step 2: Convert to fraction form
    6,378.81/9,568.14 = 1,996.17/x
  3. Step 3: Cross multiply
    6,378.81x = 9,568.14 × 1,996.17
  4. Step 4: Simplify right side
    6,378.81x = 19,099,634.02
  5. Step 5: Solve for x
    x = 19,099,634.02/6,378.81
  6. Step 6: Final answer
    x = 2,994.23

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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.