Home / 4,247.66-6,371.48-1,326.21

Finding the Fourth Proportional to 4,247.66, 6,371.48 and 1,326.21

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Solution

The fourth proportional to 4,247.66, 6,371.48 and 1,326.21 is: 1,989.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,247.66 : 6,371.48 = 1,326.21 : x
  2. Step 2: Convert to fraction form
    4,247.66/6,371.48 = 1,326.21/x
  3. Step 3: Cross multiply
    4,247.66x = 6,371.48 × 1,326.21
  4. Step 4: Simplify right side
    4,247.66x = 8,449,923.81
  5. Step 5: Solve for x
    x = 8,449,923.81/4,247.66
  6. Step 6: Final answer
    x = 1,989.32

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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.