Home / 6,378.75-9,568.13-1,996.32

Finding the Fourth Proportional to 6,378.75, 9,568.13 and 1,996.32

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Solution

The fourth proportional to 6,378.75, 9,568.13 and 1,996.32 is: 2,994.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,378.75 : 9,568.13 = 1,996.32 : x
  2. Step 2: Convert to fraction form
    6,378.75/9,568.13 = 1,996.32/x
  3. Step 3: Cross multiply
    6,378.75x = 9,568.13 × 1,996.32
  4. Step 4: Simplify right side
    6,378.75x = 19,101,048.27
  5. Step 5: Solve for x
    x = 19,101,048.27/6,378.75
  6. Step 6: Final answer
    x = 2,994.48

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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.